Science Chapter 5 Test Review

1. ScienceChapter 5Test Review

2. The process by which plants make food, using energy from sunlight. A. consumer B. food chain C. Ecosystem D. Decomposer E. Energy Pyramid F. Photosynthesis G. Herbivore H. producer

3. F. photosynthesis

4. A community of organisms and the environment in which they live. A. consumer B. food chain C. Ecosystem D. Decomposer E. Energy Pyramid F. Photosynthesis G. Herbivore H. producer

5. C. Ecosystem

6. An animal that eats only producers. A. consumer B. food chain C. Ecosystem D. Decomposer E. Energy Pyramid F. Photosynthesis G. Herbivore H. producer

7. G. herbivore

8. An organism that makes its own food. A. consumer B. food chain C. Ecosystem D. Decomposer E. Energy Pyramid F. Photosynthesis G. Herbivore H. producer

9. H. producer

10. An animal that eats plants or other animals. A. consumer B. food chain C. Ecosystem D. Decomposer E. Energy Pyramid F. Photosynthesis G. Herbivore H. producer

11. A. consumer

12. The transfer of energy between organisms in an ecosystem. A. consumer B. food chain C. Ecosystem D. Decomposer E. Energy Pyramid F. Photosynthesis G. Herbivore H. producer

13. B. Food chain

14. An organism that breaks down the remains of dead plants and animals. A. consumer B. food chain C. Ecosystem D. Decomposer E. Energy Pyramid F. Photosynthesis G. Herbivore H. producer

15. D. Decomposer

16. A diagram that shows how much food energy is passed to each level in a food chain. A. consumer B. food chain C. Ecosystem D. Decomposer E. Energy Pyramid F. Photosynthesis G. Herbivore H. producer

17. E. Energy pyramid

18. What is the source of energy for producers? • A. the sun, because producers need light to make food. • B. the earth, because the soil provides warmth and nutrients. • C. wind, because producers need wind to scatter their seeds. • D. fresh water, because producers need water to make food

19. A. the sun, because producers need light to make food.

20. What kind of animal comes last in every food chain? • A. carnivore • B. decomposer • C. herbivore • D. producer

21. B. decomposer

22. Suppose a colony of ants eats a plant. How much of the plant’s energy is passed to the ants? • A. 1 percent • B. 10 percent • C. 50 percent • D. 90 percent

23. B. 10 percent

24. Which process is NOT part of the nitrogen cycle. • A. bacteria that live on some plant roots fix nitrogen gas • B. plants release nitrogen compounds during transpiration. • C. Bacteria break down animal wastes and dead organisms. • D. lightning produces nitrogen compounds that dissolve in rain.

25. B. plants release nitrogen compounds during transpiration.

26. Which substance enables a plant to use the sun’s energy to make food? • A. chlorophyll • B. oxygen • C. sugar • D. water

27. A. chlorophyll

28. Which is a product of photosynthesis? • A. Carbon dioxide • B. Nitrogen • C. Oxygen • D. pigment

29. C. Oxygen

30. Which term is correctly described? • A. herbivore: second level consumer • B. omnivore: producer • C. carnivore: consumer • D. decomposer: first- level consumer.

31. C. carnivore: consumer

32. Which ordering of these organisms makes a food chain? • A. grass  snake  locust  owl • B. owl  snake  grass  locust • C. snake  locust  grass  owl • D. Grass  locust  snake  owl

33. D. Grass  locust  snake  owl