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Bio Test 3 (part 4)

11 Questions  I  By Ohchimonkey
Bio Test 3 (Part 4)
Bio test part 4 of 5. 55 question test.

  
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Question Excerpt

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1.  As the trees of England become less sooty due to pollution controls on factories, which of the following should occur?
A.
B.
C.
D.
E.
2.  An insect that exhibits resistance to a pesticide
A.
B.
C.
D.
E.
3.  When DDT was first introduced, insects were very susceptible to it. The development of resistance to DDT by insects was the result of
A.
B.
C.
D.
E.
4.  Male mallards have had emerald green head feathers and wings with metallic blue patches for hundreds of years, whereas female mallards have been drab, brown-feathered ducks. This phenotypic situation suggests that mallards may be an example of
A.
B.
C.
D.
E.
5.  The difference in the appearance of the male and the female is known as
A.
B.
C.
D.
E.
6.  Male northern sea lions are nearly twice the size of females because
A.
B.
C.
D.
E.
7.  For most species that exhibit sexual dimorphism the selection of a mate is the responsibility of the
A.
B.
C.
D.
E.
8.  The influence of genetic drift on allele frequencies increases as
A.
B.
C.
D.
E.
9.  Starlings were introduced into the US as a result of a small population being brought over centuries ago. Although there are now as many starlings in North America as there are in Europe, genetic variability in the North American population is reduced relative to that in Europe because
A.
B.
C.
D.
E.
10.  The sharp reduction of the gene pool and the numbers of a population through a severe epidemic is an example of
A.
B.
C.
D.
E.
11.  Gene flow
A.
B.
C.
D.
E.
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