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Pre-Test
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1
It is thought that _____ was missing from Earth's primitive atmosphere?
A)water vapor
B)oxygen
C)carbon monoxide
D)carbon dioxide
2
Charles Darwin formulated the theory of ____ to explain common descent.
A)evolution
B)artificial selection
C)dominant traits
D)selective death
3
The genus and species epithet comprise the __________ name of an organism.
A)trinomial
B)binomial
C)common
D)unilateral
4
The fossil hominid Lucy named after the Beatles song Lucy in the Sky with Diamonds is classified as ____________.
A)Homo erectus
B)Australopithecus africanus
C)Australopithecus afarensis
D)Orrorin tugenensis
5
Scientists have determined that the _____ most likely describes the pattern of evolution of modern humans.
A)out-of-Africa hypothesis
B)multiregional continuity hypothesis
C)The scientific community does not agree on either hypothesis.
D)Most scientists accept both hypotheses.





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