Chapter 1: Science Of Zoology

Question 1

Which of the following best describes the relationship between organismal ontogeny and phylogeny?

Answer 1

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

Question 2

True/False

The most direct evidence for Darwin’s theory of perpetual change is the fossil record.

Answer 2

True

Question 3

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

Answer 3

The hereditary process features inheritance of discrete and non-blending particular factors.

Question 4

Darwin’s finches represent a good example of …

Answer 4

Adaptive radiation

Question 5

The theory of evolution by natural selection was proposed by

Answer 5

Darwin and Wallace

Question 6

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

Answer 6

Genetic Drift

Question 7

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

Answer 7

Gene Pool

Question 8

Lyell is credited for the principle of _____, which was described in his Principles of Geology…

Answer 8

Uniformitarianism

Question 9

True/False

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

Answer 9

True