Where does most of the primary production occur in an ocean ecosystem?
a. first 50 feet
b. first 200 feet
c. first 300 feet
d. first 100 feet

answer: correct answer is d (i just took the test)

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)