A marine biologist makes a presentation about crustaceans to your biology class.He explains that he has recently received an NSF grant to study sessile crustaceans.You are only aware of one group of sessile crustaceans.This crustacean must be
A)a lobster.
B)a crayfish.
C)a shrimp.
D)a barnacle.
E)the nauplius.

Question

Quizplus · Accepted Answer

Barnacles are the only group of sessile crustaceans commonly studied in biology. They are filter feeders that attach themselves to hard surfaces such as rocks or the hulls of ships. The NSF grant in question likely focuses on some aspect of barnacle behavior, physiology, or ecology.

A Marine Biologist Makes a Presentation About Crustaceans to Your