Bio1100
Chapter 11
Evolution and behavior
Animal
behavior
is defined by response to
stimuli
in the
environment
.
An
innate
(instinctive)
behavior
is inherited through genes.
Many behaviors are
learned
and can be
altered
based on previous
experiences
.
Some animals exhibit
altruistic
behavior
due to
kin
selection
.
Differential
reproductive
investment
between the sexes often leads to different
mate
selection
behaviors.
Sexual reproduction occurs in a variety of
mating
systems
.
Animals need to
communicate
to friend and foe
alike
.