A biologist has been studying a mollusk that does not have a shell.It lives in the marine environment.Of the examples given below,which one did the biologist study?
A)clam
B)snail
C)garden slug
D)chiton
E)octopus

Question

Quizplus · Accepted Answer

Octopus is the only option that does not have a shell and lives in the marine environment. Clams, snails, and chitons all have shells while garden slugs are typically found in non-marine environments.

A Biologist Has Been Studying a Mollusk That Does Not