Is it multiple choice? I believe it's brain, but I could be wrong.
It makes a weird kind of medicine that makes you more healthy, and it eats away rotting wood .etc.
Answer:
1. C. Animals on land are very different from those in the sea
2. B. The shrimp could move to a new feeding ground
3. C. 300 feet
4. Unsure, but if I were to guess C. There is a similar environment
5. C. role in the food chain
Explanation: