1. How Much Energy Is Transferred from One Organism to the Next in a Food Chain?

Name:

Class Period:

Week 24 Coca – Test is Friday, February 20th

1. How much energy is transferred from one organism to the next in a food chain?

2. What do the arrows indicate in a food web or food chain?

3. Indicate how the following organisms obtain their food.

Carnivores

Herbivore

Omnivores

Decomposers

Scavengers

Producers

Primary Consumers ______

Secondary Consumers ______

Tertiary Consumers ______

4. What are the reactants in photosynthesis?

5. What are the products of photosynthesis?

6. Where does all energy on earth originate from?

7. Which of the following if removed would cause the collapse of an ecosystem?

Decomposers Producers Carnivores Herbivores Omnivores

8. How is oxygen returned to the environment?

9. Create a food chain using the following organisms.

Cricket Plant Snake Bird Frog

10. Why do animals need plants?

11. Why do plants need animals?

12. What happens during decomposition?

13. How does photosynthesis and respiration work together?

14. Why do we need decomposers?

15. List the following organisms in orders of the most efficient users of solar energy to the least efficient.

Decomposers Producers Carnivores Omnivores Herbivores

Use the Food web to answer question 16

16. List all of the Producers. ______

List all of the primary consumers ______

List all of the secondary consumers

Name the tertiary consumer

______

Use the following food web to answer questions 17 - 19

17. What would happen to the spider population if the insectivorous bird population increased?

18. What would happen to the predaceous insect population if the toad population decreased?

19. If the producers died out, what would happen to the food web?

20. What is the difference between autotrophs and heterotrophs? What are plants? What are animals?

______

21. What type of materials does it take to create a compost bin?

22. What happens to the height and the temperature of compost as it decomposes?

23. What are some examples of decomposers?

24. What is a microhabitat? List at least 3 examples.

______

25. What is biodiversity?

26. Why is biodiversity important?

27. What is meant by the term sustainability?

28. How are biodiversity and sustainability connected?

This is just a basic study guide, you need to reread and study your notes, check out your teacher’s website for powerpoints used in class. Ask your teacher about tutoring if you need additional help, would like help studying, or just want to review.