Glencoe Biology

Section 1: Darwin's Theory of Natural Selection

Self-Check Quizzes

1
Darwin referred to the process of promoting certain traits by breeding members with those traits as ____.
A)natural selection
B)artificial selection
C)evolution
D)ancestral breeding
2
What theory accounts for why populations can be modified over time?
A)natural selection
B)artificial selection
C)ancestral modification
D)fossil theory
3
Which statement is true regarding evolution?
A)It describes changes over many generations.
B)It is the same as natural selection.
C)It only involves artificial selection.
D)It occurs within a single generation.
4
What important observation did Darwin make on the voyage shown here?

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A)same species on Galapagos as mainland
B)Galapagos species differ than mainland species
C)no life existed on the Galapagos
D)populations on the Galapagos stayed the same
5
What are two main components of natural selection?
A)vestigial structures and camouflage
B)artificial selection and selective breeding
C)variation and inheritance
D)mimicry and artificial selection
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