Natural selection tends to correlate the structures of a nervous system with an animal's function within 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 do not need a well-developed brain or complex sense organs. Therefore, they tend to have little or no cephalization and simple sense organs.

Natural Selection Tends to Correlate the Structures of a Nervous