chapter 24 part 2

Question 1

allopatric speciation

Answer 1

geographic isolation restricts gene

flow between populations

Question 2

sympatric speciation

Answer 2

a reproductive barrier isolates a subset of a population without geographic separation from the parent species

Question 3

…. can result from polyploidy, habitat

differentiation, or sexual selection

Answer 3

Sympatric speciation

Question 4

hybrid zone

Answer 4

is a region in which members of different species mate and produce hybrids

Question 5

Hybrids are the result of mating

Answer 5

between species with incomplete reproductive barriers

Question 6

punctuated equilibria

Answer 6

to describe periods of apparent stasis punctuated by sudden change