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Questions in biology

[Terjawab] If a sound error is occurring, the letter “E” is most likely to interact with the letter “______.” A. L B. P C. F D. A

[Terjawab] A substance that has the capacity to inhibit the growth of or destroy bacteria and other microorganisms is

[Terjawab] C. Short answer questions 1. Why do animals move from one place to another? 2. What would happen to a living thing if it did not get enough food? 3. Give an example of a plant responding to changes in its surroundings. D. Long answer questions 1. Name the five sense organs. How do they help us? 2. What would happen if living things did not reproduce? 3. Imagine that you found something new and strange. How would you understand if it is a living thing or not?

[Terjawab] What other kinds of information would you need to better understand whether the DDT was killing the birds and hurting humans?

[Terjawab] Which components are part of the lower respiratory system? Check all that apply. alveoli bronchi pharynx larynx lungs trachea nose

[Terjawab] The heart is an example of which level of organization within an organism? A. cell B. organ C. tissue D. organ system

[Terjawab] Explain the relationship between the environment, variation, and selection.

[Terjawab] Which type of macromolecule is made up of subunits that are called amino acids? A. carbohydrate B. lipid C. nucleic acid D. protein

[Terjawab] Tick (✔) the correct option. 1. These days, ______ threaten our environment. (a) Gas emissions (b) Smoke (c) Both a. and b. 2. This causes ______ in the environment, which harms our surroundings. (a) pollution (b) water logging (c) storms 3. These cause ______ effect in the environment, which harms our surroundings. (a) Bluehouse (b) Greenhouse (c) Yellowhouse 4. This effect causes the earth to warm up, which is known as ______. (a) World heating (b) Global warming (c) None of these 5. Pollution also leads to ______ in the rain. This damages aquatic life, plants and crops. (a) Bases (b) Acid (c) None of these 6. It also causes damage to the ______ layer of the atmosphere. (a) Troposphere (b) Stratosphere (c) Ozone 7. This layer protects us from the harmful ______ rays of the Sun. (a) Ultra-violet (b) Chemical (c) Both of these 8. Chemicals such as ______ destroy this protective layer by making holes in it. (a) Hfs (b) CFCs (c) BVs 9. The biggest such hole is over ______. (a) Australia (b) Antarctica (c) Africa 10. The scientists who study how plants and animals depend on their surroundings and what effect the surroundings have on them are called ______. (a) Researchers (b) Ecologists (c) None of these

[Terjawab] Among the products of glycolysis, which compounds contain energy that can be used by other biological reactions? A. pyruvate and ATP only B. ATP only C. NADH only D. ATP and NADH only E. pyruvate, ATP, and NADH