Chapter 3
Self Quiz
Summary
Proximate Factors
A trait such as plumage coloration in finches has
causes
and
causes such as
choice.
The female mate choice behavior in turn has an
cause in the male's
fitness
as a
parent.
Proximate factors affecting behavior include the following.
produced by the
system, such as
testosterone
and
epinephrine,
can affect both the
strength
and
form
of a behavioral response.
The
system affects faster behavioral responses via nerve
cells
called
which control either the release of hormones or the action of
muscles.
Some birds are capable of
sleep
as an antipredator strategy.
Variations at the
level, such as genes and
proteins,
contribute the most fundamental factors affecting behavior.
Environmental factors also affect behavior: nest
plays a proximate role in sex
determination
in many reptiles.
enables an animal to adjust its behavior to its environment, and requires a
system.
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Jan 16, 2008
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