The process of evolution
a. does not involve genetic mutations.
b. can occur in the absence of natural selection.
c. rests on the doctrine of specific nerve energies.
d. refers to a gradual change in the structure and function of a species.
e. was proven correct by experimental ablation experiments.
Question 2
Traits that can be altered via genetic mutations
a. are beneficial.
b. are unobservable.
c. are physical.
d. exert direct actions on behavior.
e. mostly involve psychological function.