Yancheng Junior High School Biology Training School
The School of Ocean and Biological Engineering of Yancheng Normal University would hold the "2024 Exploration of the Mystery of Life Junior High School Biology Practice Group" at the Jiangsu Province Basic Biology Experimental Teaching Model Center (Xinchang Campus of Yancheng Normal University), but no information about the addresses of other junior high school biology training schools in Yancheng could be found. Read more exciting novels for free
Chongqing Junior High School Biology Training School Ranked Top 10
The top 10 junior high school biology training schools in Chongqing were Chongqing Yinghao Education, Youth Academy Education, Chongqing Zhuofu Education, Minxue Education (focused on mathematics, physics, and chemistry), Chongqing Jinghan Education, Chongqing Dacheng Education, Chongqing Puxin Worry-free Education, Chongqing Balunsi Cultural Training School, Chongqing Wenyu Education, and Chongqing Boyoutang Education. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
How to write the content record of junior high school biology training
The following is an example of a junior high school biology training record: ** 1. Basic information on outstanding students making up for their shortcomings ** 1. ** Target Setting ** - " Training goal: Through additional learning tasks and extended training, improve the comprehensive thinking ability, experimental inquiry ability, and understanding of cutting-edge knowledge of excellent students in biology. This will enable them to achieve better results in various biology competitions or exams. At the same time, it will drive the overall biology learning atmosphere of the class to a higher level. - " Make-up goal: For students with weak basic knowledge, strengthen their understanding and mastery of the basic concepts of textbooks, biological structure and function, basic biological physiological processes, etc., improve their accuracy in classroom assignments and tests, and gradually increase their interest and confidence in biology. 2. ** Student target confirmed ** - Students who were selected for excellence: Based on their usual classroom performance, the quality of their homework, test results, and other comprehensive factors, students who were in the top [X]% of the class in biology, had a strong interest in biology, and had strong independent learning ability were selected. - Target students: Students whose grades are [X]% lower than the class and have obvious difficulties in understanding and applying basic biological knowledge, such as confusion about basic biological concepts, unclear relationship between biological structure and function, etc. ** 2. Outstanding Cultivation Record ** 1. ** Knowledge expansion ** - It provided more in-depth biological knowledge related to textbooks, such as the application of gene editing technology in modern biomedicine. It recorded in detail the relevant scientific principles, technical operation processes, and ethical disputes, guiding outstanding students to read and think independently. - In the part of the ecosystem, it introduced the dynamic equilibrium mechanism of complex ecological systems, including the detailed patterns of energy flow and material circulation between different biological communities, as well as the various effects of human activities on the stability of the ecosystem. 2. ** Thinking ability training ** - He organized a biological problem solving discussion group to record the various innovative ideas and solutions proposed by the students, such as genetic engineering to modify crops and the development of sustainable agricultural eco-systems, in order to cultivate their comprehensive analysis and innovative thinking skills. - They would conduct special training on the design of biological experiments and record the experimental plans designed by each student, including the purpose of the experiment, assumptions, materials, steps, expected results, etc., to improve their experimental inquiry thinking and logical rigor. 3. ** Tutor Time and frequency ** - Arrange [X] times of tutoring per week, each tutoring time is [X] minutes. They would use the break time or self-study time to do it. ** 3. Remuneration Record ** 1. ** Basic Knowledge Enhancement ** - For the cell structure section, it recorded in detail the tutorial content for students about the differences in the cell structure of animals and plants. For example, by making simple cell structure models, it helped students intuitively understand the characteristics and functions of cell membranes, protoplasts, nuclei, and other structures in animal and plant cells. - In the genetic part of the organism, he reorganized the relationship between genes, embryos, and DNA. By drawing a simple genetic map, he helped students understand the basic laws of inheritance. He recorded the difficulties that students had in this process and explained them repeatedly. 2. ** Learning Method Guidance ** - Teach the make-up students how to make a mind map of biological knowledge, and record the individual guidance content for each student. For example, according to the difficulty of a student's understanding of biological evolution, guide them to use the Timeline as a clue to construct a mind map of the main characteristics of different biological evolution stages and representative biological information to help them sort out the knowledge system. - Teach effective memorization methods, such as the characteristics of various biological groups in the biological classification, using the mnemonic method to record the mnemonic content designed for different students, such as " algae has no roots and leaves, moss has stems and leaves, fern roots and leaves ", etc., to improve their memorization efficiency of basic knowledge. 3. ** Tutor Time and frequency ** - Arrange [X] make-up tutoring sessions per week, each session lasting [X] minutes. They would do it during lunch break or after school. ** 4. Evaluation Record of the Effect of Cultivating Excellence and Making Up for Mistakes ** 1. ** Knowledge Mastery Level Assessment ** - Regular quizzes were used to record the students 'understanding of the expanded knowledge. For example, in the test on biological variation, the students' understanding of different concepts of biological variation and the explanation of measures to protect biological variation were recorded. - For the make-up students, the focus was on recording the changes in their results in the basic knowledge test. For example, in the test on biological metabolism, the improvement in their mastery of basic concepts and processes such as photosynthesis and respiration was recorded. 2. [Ability Enhancement Assessment] - In the biological experiment operation examination, the proficiency of the students in the experimental operation and the improvement of the ability to analyze the experimental results were recorded. For example, in the experiment of observing onion skin cells, they were observed to see if they could skillfully use the microscope, accurately draw the cell structure, and reasonably analyze the deviation of the experimental results. - The assessment of the ability improvement of the make-up students mainly focused on the improvement of their learning attitude and learning methods, such as recording whether they began to actively use the mind map to review knowledge, whether they could use the formula to accurately memorize biological knowledge, and so on. 3. ** Student feedback record ** - Collect feedback from the students on the content and methods of tutoring regularly. If some students want to share more cutting-edge biological research results, or if some students want more group discussion opportunities, they have to record them in detail. - For the students who were making up for the gap, they recorded their difficulties and needs in the learning process. For example, a student reported that he had difficulties in understanding the biological evolutionary tree and needed more intuitive teaching resources. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Biology essay, junior high school
Biology was a subject that studied life phenomena and the composition, structure, function, growth, development, reproduction, and so on. It was one of the branches of the natural sciences and was closely related to chemistry, physics, mathematics and other disciplines. The research content of biology was very broad, including cell biology, molecular biology, ecology, genetics, developmental biology, biochemistry, and so on. Through the study of biology, we can understand the origin and evolution of life, the structure and function of living things, the relationship between living things and environmental factors, the adaptability and variety of living things, and so on. Biology is also widely used, not only to help us better understand nature, but also to provide scientific basis for many fields such as medicine, agriculture, environmental protection, biotechnology and so on. For example, biological research in the field of medicine can help us better understand the origin and mechanism of diseases and better treat patients; biological research in the field of environmental protection can help us better understand the functions and mechanisms of the ecosystem and better protect the environment. Biology is a very important subject. It can not only help us better understand nature, but also provide scientific basis and solutions to practical problems in many fields. We should strengthen the study of biology to better protect nature and contribute to the future development of mankind.
Is junior high school biology useful?
Biology in middle school and high school was useful. In terms of the construction of the knowledge system, junior high school biology was the foundation of high school biology learning, while high school biology was a more systematic, in-depth, and high-level thinking learning that pursued the essence of the subject. Junior high school biology allowed students to have a preliminary understanding of the basic concepts of biology, life phenomena, and other basic knowledge, such as the classification and structure of organisms. Senior high school biology further deepened into the core content of cell structure and function, genetic laws, biological evolution, and so on, helping students build a more complete biological knowledge system. From the perspective of quality improvement, the study of biology could help to improve students 'scientific quality. Students could learn biological knowledge, understand the research process and exploration spirit of biological scientists, stimulate their interest in scientific research, improve their scientific inquiry ability, and cultivate rigorous scientific thinking. In real life, the biology knowledge of middle school and high school was also widely used. For example, understanding the physiological structure and function of the human body could help one live a healthy life, and mastering the knowledge of the ecosystem could help one understand the importance of environmental protection. Moreover, biology knowledge was related to career development, such as medicine, biological research, environmental protection, and other fields. The study of biology in junior high school laid the foundation for future development in these fields. From the perspective of examinations, biology was an important subject in the middle school entrance examination and college entrance examination, and its results would have an impact on one's studies. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Creating Biology Teaching in Junior High School
The following are some innovative ways of teaching biology in junior high school: ** I. Teaching model innovation ** 1. ** Open Teaching ** - Teaching objectives and content: The teaching objectives and content are dynamic and open. Biology courses were updated quickly and needed to be improved continuously. This characteristic was suitable for open teaching. For example, when teaching green plant-related content, students could be brought into nature and experience the differences between green plants in person, so as to fully experience the course content, stimulate learning enthusiasm and initiative, and improve the teaching effect. 2. ** Layered Teaching ** - Take into account the differences between students: Take into account the differences between students in terms of family situation, education, potential, etc., including factors such as knowledge background, IQ, and emotions. The traditional teaching model used a unified spoon-feeding method to teach students in accordance with their aptitude, while the layered teaching method could take care of the individual development of students. - "Scientific grouping: Students are grouped according to their own knowledge system, ability level, and other factors to minimize the differences between students in the same group. Then, a unified teaching model is used to teach students in the group, respecting the differences between students, helping students build self-confidence and stimulate learning interest. ** 2. Use the smart classroom environment for innovation ("Five-dimensional Integration" teaching model)** 1. ** To improve the quality of preparation and stimulate students 'interest (First Dimension)** - The teacher used the smart classroom to push the micro-class video to assist in the preparation, and the students asked questions after watching it. Teachers could use data feedback to know whether students were watching microclasses, and they could also understand problems through message boards. Students could also discuss online and form a learning community. 2. ** Construct a life situation and do a good job of introducing it into the classroom (second dimension)** - The core knowledge of the classroom was integrated into the living situation, breaking through the limitations of time and space in the classroom. For example, life observation tasks related to biological knowledge, such as the "7-Day Observation Diary of Mung Bean Seeds", could be assigned. Students could use the tablet terminal to take photos and upload them. This would help to cultivate academic literacy and allow students to understand core knowledge in their daily lives. 3. ** Enriching classroom activities, teachers and students explore together (Third Dimension)** - Make use of the smart classroom environment to enrich the forms of interaction, such as answering questions, random roll call, etc. to increase the attention and participation of students in the classroom. During group discussions, the teacher could send a discussion task, and the group would upload the results to the big screen to share. For biological experiments, teachers could display the experimental process through the physical booth of the tablet terminal. For experiments that were difficult to complete in the classroom, they could use the virtual experimental booth to deepen the students 'understanding of knowledge. 4. ** Prompt feedback in class, using learning to stimulate reflection (Fourth Dimension)** - In the smart classroom environment, the teacher arranged the whole class to answer questions, and the students used the tablet terminal to answer the questions. The teacher grasped the students 'answers in real time through intelligent correction and big data statistics and analysis, so as to better complete the teaching and achieve the course goal. 5. ** To improve the quality of assignments and evaluations (Fifth Dimension)** - In addition to traditional paper assignments, various forms of assignments could be arranged through the smart classroom environment, such as micro-class review, virtual experiments, activity experience, test questions, handwritten report production, Short videos editing, etc. In the evaluation class, big data was used to analyze the test situation, understand the common mistakes, and carry out targeted explanations. It could also generate a customized study manual to push exercises for students 'weak knowledge points. ** 3. Through project-based learning and project-based learning, innovation ** 1. ** Project-based learning ** - For example, in Tianjin City Nancang Middle School, teachers and students used project-based learning mode to carry out experimental research in the fields of tissue culture, water culture, soil culture, and microorganisms. In the process of project research, students had to consult literature, design experiments, draw mind maps, determine experimental processes, analyze experimental data, construct mathematical models, write experimental reports, display results, etc. This helped to improve students 'various abilities, such as observation ability, reading literature ability, experimental operation ability, argumentation ability, analysis problem ability, language expression ability, and also cultivate scientific thinking and scientific research spirit. 2. ** Research-based learning ** - Teachers set up many research learning courses such as "tissue culture of candied dennie","water culture vegetables","water culture flowers","production of microorganisms fertilizer", etc., and self-compiled school-based teaching materials to encourage students to carry out innovative learning and research, provide students with individual and diverse choices, and promote the cultivation of students 'interests, practical ability, and innovative spirit. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Junior high school biology questions must be memorized
The following are some of the must-memorize content that might be involved in the junior high school biology questions: - In terms of biological structure, cells were the basic units of biological structure and function. The structure of an animal was cell → tissue → organ → system → animal, while the structure of a plant was cell → tissue → organ → plant. - Biological and environmental parts: The composition of the ecosystem includes biological parts (producers, consumers, decomposing) and non-biological parts (sunlight, air, water, etc.). The substances and energy in the ecosystem flow along the food chain and food web, and the energy transfer is one-way and diminishing. - Green plants in the biosphere: the reaction formula, essence (synthesizing organic matter, storing energy), significance (providing food and oxygen for themselves and other organisms); the reaction formula, essence (decomposing organic matter, releasing energy) of the respiratory process and its importance in plant life activities. - Human Physiology: The nutrients of the human body (such as sugar, fat, protein, vitamins, water, and mineral salt); the composition of the digestive system and the functions of various organs; the digestion and absorption process of food; the composition of the respiratory system and the gas exchange process.(including the gas exchange in the lungs and tissues); the composition of the blood circulation system (heart structure, blood vessel type and function, blood composition and function); the blood circulation pathway (body circulation and lung circulation); the composition of the urine system and the process of urine formation (glomerular filtering and glomerular reabsorption). - Biological inheritance and variation: genes control biological traits, the law of gene transmission between parents and offspring (such as trait separation ratio), concepts such as relative traits, dominant genes, latent genes, dominant traits, latent traits, etc.; types of biological variation (heritable variation and non-heritable variation) and their reasons. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
What are the problems in junior high school biology education?
There were the following problems in junior high school biology education: 1. ** Degree of importance **: Due to the relatively small proportion of biology knowledge in the middle school entrance examination, many schools do not pay enough attention to biology courses. The facilities are not perfect, and only basic classes are taught. 2. ** Students 'learning status ** - ** Low enthusiasm **: Under the traditional teaching mode, the teacher talks on the stage and the students listen in the audience, which makes the students passively accept the knowledge. It is difficult to fully arouse their interest and enthusiasm in learning, and the learning results are average. - ** Insufficient understanding of biological experiments **: When students first come into contact with biological knowledge, although they are novel and interested in biological experiments, they often only pay attention to the surface of the experiment, rather than the process and results. They are less interested in some "not fun" experiments. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Junior high school biology teaching and research content
The teaching and research content of the junior high school biology department included many aspects: 1. ** Open class and class evaluation **: For example, teachers carry out open classes, such as Teacher Liu Honglei's open class "Nucleus-Division of labor and cooperation within the system", using a specific classroom model to let students actively participate. After that, the other teachers would evaluate the class and, on the basis of affirming the results, propose suggestions such as shortening the content and digging deeper into the knowledge to achieve common progress. 2. ** Discussion on the revision of teaching materials **: Reading the revised content of the high school biology version of the New People's Education to adapt the teaching to the development of the times. This practice is also useful for the teaching and research of junior high school biology. It can be used as an analogy to discuss the revision of junior high school biology teaching materials, so as to better grasp the teaching content. 3. ** Teaching method optimization **: - ** Carry out the "Four Cleanings" in teaching **: All biology teachers will seriously study the relevant guidelines and attach importance to the most important part of "Tangtang Qing". They will refer to the six teaching procedures and flexibly organize teaching according to the students 'foundation and teaching content. Students were required to master new knowledge in class, ensure practice time, complete homework in class, and mark it on the same day. At the same time, they could be divided into groups to let the team leader check the learning tasks. In order to improve the quality of teaching, we should focus on the "four optimization" in classroom teaching, namely, the optimization of teaching methods, classroom structure, teaching means and coaching methods. - ** Group lesson preparation **: This is an effective way to improve the quality of lesson preparation and classroom teaching efficiency. Teachers worked together to formulate teaching plans in a planned and organized manner, analyze the difficulties of teaching materials, determine teaching methods, and write lesson plans. In this process, teachers could deepen their understanding of the teaching materials, expand their teaching ideas, and improve their own quality. - ** Life-oriented teaching objectives **: When the teaching objectives are based on the students 'knowledge, ability, and emotional attitude, they can be introduced into social hot topics to achieve life-oriented. For example, using the topic of test-tube babies to discuss genetic knowledge, or telling the story of the cloned sheep, Dory. - ** Life-oriented teaching content **: Since junior high school students focus on thinking in images, they can use life-oriented explanations to help them understand abstract concepts or theories. For example, they could use the school level to simulate the structure of animals, or teach blood knowledge from the blood test report. - ** Diverse teaching methods **: - ** Scenario-based teaching **: For example, in the teaching of breathing, by introducing the topic of weight-loss methods around them, it will arouse the students 'interest and raise questions. It will make the students actively analyze the problems and connect knowledge with life. - Experiential Teaching: For example, an experiment to explore the effect of light on the lives of the rat women. Students were allowed to participate in the process of finding the rat women and understand their living environment. This could stimulate their interest in learning and cultivate their awareness of caring for life and maintaining ecological balance. - ** Practice-based teaching **: For example, when exploring the environmental conditions for seed sprouting, the students would be asked to do experiments at home after preparing for the lesson. Then, they would go to school to exchange the results, improve the students 'language expression and cooperation skills, and let the students experience the process of the production, formation, and development of biological knowledge. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Shaanxi 2022 Junior High School Biology Examination Paper
First, multiple-choice questions 1. The following idioms refer to living things as () - A. The mountains and rivers are unharmed (no living creatures are involved). - B. Beautiful weather (no living creatures involved). - C. The sea dried up and the rocks crumbled (no living creatures were involved). - D. Birds and flowers (Birds and flowers are biological). 2. When using a microscope (as shown in the picture) to observe the permanent section of the root apex, the relevant description is correct () - A. When the lens is contaminated, do not wipe it with your hands (use lens cleaning paper). - B. It was said that the magnifying power of the microscope was 100 times, and there was insufficient information to judge (the magnifying power was the product of the magnifying power of the eyepieces and the objective lens). - C. When observing, the object image is not clear, and it should not be rotated by a large margin.(If it is a coarse focus spiral, it should be used to fine-tune the fine focus spiral first). - D. Observed that the cells in different parts of the root tip are different (such as the cells in the meristematic zone are small and tightly arranged, and the cells in the mature zone have root hair and other structures). 3. The biosphere was the largest ecosystem on Earth. The environments of different regions and various organisms formed a variety of ecological systems. The correct description of the forest ecosystem is () - A. The forest ecosystem has many tall plants. - B. Rich species of animals and plants. - C. Humans do not play a dominant role in the forest ecosystem. - D. It has the ability to adjust the climate (for example, through the use of transpirations to adjust humidity, temperature, etc.). 4. The picture below is a diagram of four single-celled organisms. The correct description is () - A. Single-celled organisms can independently complete life activities (such as nutrition, breathing, secretion, etc.). - B. Not all are harmful organisms, some single-celled organisms are beneficial. - C. Not all organisms can photosynthesize (for example, Paramecium cannot photosynthesize). - D. Not all are animals (like Chrysanthemum is a plant). 5. The Chinese people had many popular poems, many of which could reflect the relationship between living things and the environment. The poem "Swallows fly in the mud, mandarin ducks sleep in the sand" reflected the influence of non-biological factors on living things. This non-biological factor is () - A. Microorganisms (does not fit the question). - B. The temperature (the sand warmth reflects the effect of temperature on the mandarin ducks). - C. Salt (does not match the meaning of the question) - D. Swallows (Swallows are living things, not non-living things). 6. In the following experiment, the correct description of the purpose of using the solution is () - A. To investigate the changes in the oral cavity of steamed buns was to verify that starch was decomposed in the oral cavity (not synthesized). - B. Exploring the production of organic matter by green leaves under light was to verify that green leaves produced starch under light. - C. Observing human oral cavity cells, oral cavity cells do not have plastids. Iodine solution is not used to observe plastids. - D. Observe the structure of the corn seed. Iodine solution is not used to observe the nucleus. 7. The following picture is a diagram of the structure of a bird egg. The blastoderm is () in the pictures (1) to (4)(Since there is no picture, it is impossible to accurately indicate which serial number represents the blastoderm, but the blastoderm is the part of the bird egg where the embryo develops). 8. Xixi wanted to invite a friend from another city to taste mutton buns and roujiamo. From the perspective of a reasonable diet, it should also be matched with the following () - A. Salad vegetables (can supplement vitamins, diet fiber, etc. to make the diet more reasonable). - B. Fried bread slices (high calories, unhealthy). - C. Roasted beef kebabs (repeated more with mutton buns and roujiamo, and barbecued food is unhealthy). - D. Rice noodles and cold noodles (mainly carbs, lacking vitamins and other nutrients). 9. In the experiment to explore the production of organic matter by green leaves under light, the geraniums were dark-treated, covered with black paper on the top and bottom sides of the leaves, and placed under the sun. The variable set for this experiment is () - A. Phosphor (not the experimental variable). - B. carbon dioxide (not the experimental variable). - C. Illumination (use black paper to block the light, the variable is whether there is light). - D. Water (not the experimental variable). 10. The nutrients we obtain from food provide substances and energy to maintain life and health. The role of the following nutrients does not match the example () - A. To provide substances, such as protein (Correct, protein can provide substances such as fatty acid to build the body, etc.). - B. Maintain health, such as vitamins (Correct, vitamins play an important role in maintaining the normal physiological functions of the body). - C. Maintaining life, such as water (Correct, water is a necessary substance for life activities). - D. To provide energy, such as mineral salt (Wrong, mineral salt cannot provide energy. The nutrients that can provide energy are sugar, fat, and protein). 11. In the following blood vessels of the human body, the venous blood flowing is () - A. The pulmonic artery (which flows venous blood, transporting venous blood from the whole body to the lungs for gas exchange). - B. The lung vein (the artery that carries blood back to the heart after gas exchange in the lungs). - C. The main artery (the artery that carries blood from the heart to the whole body). - D. Afferent artery (blood flowing from the artery). 12. In the exam questions activity, - A. Reflex activity (conditioned reflex). - B. Not only is the nervous system involved, but other systems such as the hormonal system are also involved in regulation (such as hormone regulation affecting brain activity, etc.). - C. It was a complex reflex (conditioned reflex), a reflex formed with the participation of the cerebral hemisphere. - D. The nerve center is located in the cerebral hemisphere (not the spinal cord). 13. If you don't have good eye habits, it's easy to develop short-sightedness. What can prevent nearsightedness is () - A. Reading under strong light (not conducive to eye health, easy to hurt the eyes). - B. Do eye exercises (can relieve eye fatigue and help prevent shortsightedness). - C. Rubbing the eyes with dirty hands (unsanitary, easy to infect eye diseases, unable to prevent shortsightedness). - D. Looking at the computer for a long time (easy to cause eye fatigue, not conducive to preventing short-sightedness). 14. Xixi accidentally pricked her finger and quickly withdrew her hand. in that course of complete the action, - A. The biceps contract (not relax). - B. Relax (not contract) the triceps. - C. Bone cannot provide energy (energy is provided by the mitochondria in the cells through respiratory action). - D. Joints act as fulcrums (bones act as leverage, muscles act as power). 15. Xixi found an "ant nest" in the yard. The way ants acquired this behavior was innate. The following animal behaviors are congenital behaviors () - [A. Parroting (Learning behavior)] - B. Police dog solving cases (learning behavior). - C. Squid spraying ink (a congenital behavior). - D. An old horse knows the way (classified as learning behavior). 16. The mosquito larva, commonly known as the somersault worm, was the larva stage of the mosquito's development from egg to pupa. The creature that has the same development process as mosquitoes is () - A. Locusts (the development process is incomplete metamorphosis, different from mosquitoes). - B. Frogs (the development process is abnormal, but not exactly the same as mosquitoes). - C. Silkworm (the development process is completely metamorphosis, the same as the mosquito development process). - D. Pigeon (a bird that develops differently from insects). 17. Microorganisms (viruses, bacteria, and fungi) were inseparable from human life. The beneficial use of microorganisms by humans is () - (1) Cause disease (harmful aspects of microorganisms). - (2) Purification of sewage (beneficial aspects). - 3. Pollution of the environment (harmful aspects of microorganisms). - (4) Food production (beneficial aspects, such as yeast used to ferment bread, etc.). - (5) Production of drugs (beneficial aspects, such as the use of microorganisms to produce antibiotics, etc.) - Hence, it was 2, 4, and 5. 18. Xixi's brother found a small animal in the farmland. If Xixi wanted to understand the characteristics and structure of the animal, she should consult relevant zoological books or biological materials (since there was no more description of the animal, she could not be more specific). 19. When Xixi was flipping through the Compendium of Materia Medica, she learned that the fruit had medicinal values such as stopping diarrhea, treating various hemorrhoids, and sore throats. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Junior High School Biology Model Test Paper
The reference materials included the 2023 Beijing Yanqing Grade Two First Model Biology test questions and answers, and the 2023 Hubei Province High School Entrance Examination Biology Simulation Test Paper summary (including the test questions of the eighth grade of the first model of the middle school entrance examination in Wuhan City and Danjiangkou City, Shiyan City, etc.). However, the general 2023 Junior High School Grade Two First Model Biology test paper could not be found, so it could not be provided accurately. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>