Which of these is not a challenge an organism encounters? a. reproducing b. staying healthy c. getting energy d. regenerating

The answer is:

D. Regenerating

Regeneration is not considered as a challenge encountered by an organisms. The other choices, such as reproducing, staying healthy and getting energy are considered challenges because the following have requirements that need to be met be it environmentally, behavioral and the like.

every el niño cycle is different. every year.

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)