One Major Strength of the Leech as a Model Organism

Multiple Choice

One major strength of the leech as a model organism is the

A) central brain that acts as a switchboard for all sensory input and motor output.
B) large number of redundant neurons that produce strong field potentials.
C) variety of sensory systems that are comparable to those of humans.
D) consistency of identifiable neurons across ganglia and across individuals.
E) small size for housing in the laboratory.