Sagot :
Answer:
1. Plankton may be eaten by small fish and crustaceans
2. Herons eat mostly fish but also take amphibians and small mammals, with small quantities of reptiles, insects, crustaceans, molluscs, worms and birds.
3. Salmon eats small amphibians and fish.
4. Shrimp may be eaten by fish and seabirds.
5. Fresh water mollusk may be eaten by shrews, mice, squirrels, and other small mammals.