BSCS Biology: A Molecular Approach

Chapter 22: Behavior

Roots of Behavior

1.
Choice of clothing, such as that shown here, is a ____ influenced behavior.
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A)biologically
B)enzymatically
C)genetically
D)culturally
2.
Foraging behavior in fruit flies is an example of a characteristic that is determined by ___.
A)a single gene
B)environmental factors
C)many genes
D)learned behavior
3.
Although most behavior is directed by the nervous system, the glands of the ____ system also play an important role in regulating behavior.
A)lymphatic
B)endocrine
C)skeletal
D)urinary
4.
Hormone levels in fish that stimulate reproductive behavior may be affected by ____.
A)external factors such as temperature
B)symbolic value
C)fishing regulations
D)learned behavior
5.
During mating, the male stickleback fish develops what external characteristic, which affects the behavior of females and other males?
A)a widened eye
B)a sharp spine on its back
C)a slight shaking motion
D)a red belly
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