Ch 22

Question 1

Groups of actually or potentially interbreeding natural populations, which are reproductively isolated from other such groups

Answer 1

Biological species concept

Question 2

Species that are found together are said to be

Answer 2

Sympatric

Question 3

Species use different portions of the habitat

Answer 3

Ecological isolation

Question 4

Species that have different courtship behavior

Answer 4

Behavioral isolation

Question 5

Isolation in time prevents hybridization

Answer 5

Temporal isolation

Question 6

Structural differences that prevent mating

Answer 6

Mechanical isolation

Question 7

Speciation caused by geographic separation

Answer 7

Allopatric speciation

Question 8

Having more than 2 copies of a gene

Answer 8

Polyploidy

Question 9

550 MYA, explosion in species

Answer 9

Cambrian explosion

Question 10

Slow accumulations of differences until speciation occurs

Answer 10

Gradualism

Question 11

Evolution happens in short bursts followed by long periods of stability

Answer 11

Punctuated equilibrium