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1
When studying the history of evolutionary thought, it should be remembered that __________ expressed curiosity about changes in animals and __________ proposed that acquired characteristics could be transmitted from parents to offspring.
A)Lamarck / Buffon
B)Buffon / Lamarck
C)Lamarck / Wallace
D)Buffon / Wallace
2
The theory of natural selection is based on which of the following assumptions?
A)No two organisms are exactly alike.
B)Favorable characteristics become more common in the species, and unfavorable characteristics are lost.
C)All organisms produce more offspring than can survive.
D)All of the above.
3
Which of the following might be modern updates on the theory of natural selection?
A)An organism's capacity to overproduce results in surplus organisms.
B)Selecting agents favor individuals with the best combination of genes.
C)Resources are in short supply, so some individuals will do without.
D)All of the above.
4
The Darwin-Wallace theory of natural selection differs from Lamarck's ideas in that
A)Lamarck understood the role of genes and Darwin and Wallace did not.
B)Lamarck assumed that characteristics obtained during an organism's lifetime could be passed to the next generation, Darwin and Wallace did not.
C)Lamarck did not think that evolution took place, Darwin and Wallace did.
D)Lamarck developed the basic ideas of speciation which Darwin and Wallace refined.
5
A term used to describe situations in which the allele is penetrant but is not expressed equally in all individuals who have it is
A)penetrance.
B)expressivity.
C)dominance.
D)selectivity.
6
This kind of selection occurs when individuals at the extremes of the range of a characteristic are consistently selected against. This kind of selection is very common:
A)Directional.
B)Stabilizing.
C)Dominance.
D)Disruptive.





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