Natural selection tends to correlate the structures of a nervous system with an animal's interaction with the environment. A good example is sessile or slow-moving molluscs such as clams, which
A)have little or no cephalization and simple sense organs.
B)use chemical synapses to process complex information.
C)have a well-developed brain that functions as a master control center.
D)use their circulatory system as a mechanism for distributing nerve impulses.

Question

Quizplus · Accepted Answer

Sessile or slow-moving molluscs such as clams have no need for complex nervous systems as their interaction with the environment is limited. Therefore, they have little or no cephalization and simple sense organs.

Natural Selection Tends to Correlate the Structures of a Nervous