the predator of the puertorican parot is the iguana as in puerto rico is called the stick chicken, the iguana actually is eating the puerto rican natural animals like the coqui an the puertorrican parot. some people actually eat the iguana.
Answer Yes they do. Little fish eat phytoplankton because they are the base of the food chain. Small fish eat phytoplankton, medium fish eat small fish, and big fish eat medium fish. Humans (you and me) eat the big fish. That is the phytoplankton cycle.