Answer:
Crayfish use their large pincers to capture common prey items, such as worms, leaches, snails. Additionally, crayfish occasionally capture large prey, such as frogs, fish, salamanders and tadpoles. Frog eggs and insects are important foods for the juveniles of many species.
Answer:
I think it should be C and D both.
B. Sunlight doesn't reach the bottom of lakes..
Answer:
a spider has 4 pairs of legs, since they have 8 legs
