What are a major food source to organisms including humans?
leeches earthworms snails plants tapeworms trees potatoes bushes
A B C D E F G H
Mollusks in the diorama include snails and clams.
Snails are a major food source for other organisms, including humans.
What are a major food source to organisms including humans? (A) leeches (B) earthworms (C) snails (D) plants (E) tapeworms (F) trees (G) potatoes (H) bushes