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Flashcards in Chapter 1 Deck (14)
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1
Q

Darwin’s finches represent a good example of

A

Adaptive Radiation

2
Q

The theory of evolution by natural selection was proposed by

A

Darwin and Wallace

3
Q

Random changes in gene frequency that occur in small populations comprise the concept of

A

Genetic drift

4
Q

All of the alleles of all genes possessed by members of a population collectively form the

A

Gene pool

5
Q

Structures in different organisms that are similar because they descend with some modification from a corresponding feature of their common ancestor are said to be

A

Homologous

6
Q

Lyell is credited with the principle of __________, which was described in his Principles of Geology

A

Uniformitarianism

7
Q

Darwin’s thoughts on evolution were greatly influenced by an essay on populations written by ______.

A

Thomas Malthus

8
Q

True/False

According the the Hardy-Weinberg Law, the frequency of each allele remains constant generation after generation in a freely interbreeding, sexually reproducing, large population that experiences natural selection

A

False

9
Q

True/False

Genetic drift occurs to some degree in all populations of finite size

A

True

10
Q

True/False

Darwin’s evolutionary theory differs from Lamarck’s in being a variational rather than transformational theory

A

True

11
Q

Which of the following was a common early criticism of Darwin’s theory of natural selection?

A

It could not explain the origins of new structures or new species, only the modification of existing ones

12
Q

True/False

The most direct evidence for Darwins theory of perpetual change is the fossil record

A

True

13
Q

Which of the following best describes the relationships between organismal ontogeny any phylogeny?

A

Ontogeny may recapitulate phylogeny for some characteristics, but rarely does this occur for the organism as a whole

14
Q

Which of the following is not one of the observations that led Darwin to propose the theory of natural selection

A

The hereditary process features inheritance of discrete and non lending particular factors