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Cards In This Set
| Front | Back |
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Which of the following ultimately accounts
for variation in genetic traits?
a.
replication of DNA molecules
b.
genetic mutation
c.
asexual reproduction
d.
ecological succession
e.
homeostatic mechanisms
|
B
|
|
An adaptive
trait is a trait that has
a.
mutated.
b.
survival value.
c.
decreased in frequency in a population.
d.
deleterious biological effects.
e.
the potential to produce variation.
|
B
|
|
The principal
point of Darwin's theory of evolution by natural selection is that
a.
long-term heritable changes in organisms
are caused by use and disuse.
b.
mutations that adapt an organism to a
given environment always arise in the greatest frequency in the organisms
that occupy that environment.
c.
mutations are caused by all sorts of
environmental influences.
d.
survival of characteristics in a
population depends on competition between organisms, especially between
members of the same species.
e.
mutations mostly have favorable effects.
|
D
|
|
The animals
used in the text to show variation in domesticated forms are
a.
pigeons.
b.
chickens.
c.
pigs.
d.
dogs.
e.
cats.
|
A
|
|
Hereditary
instructions must
a.
be unchanging most of the time.
b.
pass from one generation to the next.
c.
control a large number of different
characteristics.
d.
provide for the rare change in
instructions.
e.
all of these.
|
E
|
|
Evolution
occurs at what level of organization?
a.
organism
b.
molecule
c.
organ
d.
population
e.
ecosystem
|
D
|
|
Which premise
used by Darwin in his theory is INCORRECTLY stated below?
a.
More offspring are produced than will
survive to reproduce.
b.
Members of populations show heritable
variation.
c.
Some varieties have a better chance to
survive and reproduce.
d.
Organisms that possess advantageous
traits have a decreased chance of producing offspring.
e.
Some traits become more common because
their bearers contribute more offspring to the next generation.
|
D
|
|
The scientific
explanation for the diversity seen in nature is
a.
based upon sexual differences.
b.
divine creation of the many different
forms of life.
c.
found in the science of taxonomy.
d.
natural selection.
e.
artificial selection.
|
D
|
|
A well-tested
hypothesis that has not been disproved is called a
a.
principle.
b.
law.
c.
theory.
d.
fact.
e.
hypothesis.
|
C
|
|
Homeostasis
provides what kind of environment?
a.
positive
b.
relatively constant around a set point
c.
limiting
d.
changing
e.
chemical and physical
|
B
|
|
Each cell is
able to maintain a constant internal environment. This condition is called
a.
metabolism.
b.
homeostasis.
c.
physiology.
d.
adaptation.
e.
evolution.
|
B
|
|
Energy sources
are needed for which of the following processes?
I.
reproduction
II.
growth
III.
development
a.
I and II
b.
I and III
c.
II only
d.
II and III
e.
I, II, and III
|
E
|
|
A scientific
name consists of which of the following?
I.
family name
II.
genus name
III.
species name
a.
I only
b.
II only
c.
III only
d.
I and II
e.
II and III
|
E
|
|
The plural for
genus is
a.
genus.
b.
geni.
c.
genera.
d.
gena.
e.
genae.
|
C
|
|
Which group
includes all of the other groups?
a.
domain
b.
order
c.
family
d.
genus
e.
species
|
A
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