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|
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4
|
profession of John Gould
|
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6
|
over time a population can be modified enought to produce _?_
|
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7
|
more offspring than can survive are produced
|
|
8
|
country sailed from
|
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11
|
theory of evolution by natural selection
|
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12
|
Darwin's role on ship
|
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13
|
Darwin's original field of study
|
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14
|
selective breeding
|
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15
|
defines cumulative change
|
|
17
|
mechanism by which evolution takes place
|
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18
|
proposed a theory similar to Darwin's
|
|
19
|
inherited differences from parents
|
|
|
|
|
|
|
1
|
time Darwin expected to be on ship
|
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2
|
Darwin had a degree in this field
|
|
3
|
individuals in a population differ from one another
|
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5
|
allows the organism to reproduce more offspring than others
|
|
9
|
Islands Darwin traveled to
|
|
10
|
characteristic of birds Darwin noticed change in
|
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16
|
the origin of this species is obvious by its shell
|
|
20
|
ship darwin traveled on
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