What is the main function of the Krebs cycle ? A. To produce carbon dioxide for use in the thylakoid B. To provide molecules for the electron transport chain C. To produce large numbers of ATP molecules D. To break glucose down into two pyruvate molecules

a. the production of carbon dioxide through the process of photosynthesis

1. a host loses nutrients to a parasite

2. a parasite only benefits when the host is alive (cause if the host dies the parasite dies with it )

3. producers to consumers

4. the tapeworm is a parasite

5. they convert energy from the sun (photosynthesis)

6. sunflower-robin (i think im 80% sure)

7. producer

8. consumer

9. prey

10. fresh water snails ( cause the green algea is the producer and the snails are the primary consumers and the small fish consumer so is the big fish)