Chapter 13

Question 1

Binary Fission

Answer 1

asexual reproduction in which one parental cell divides into two

Question 2

Population

Answer 2

a group of organisms of the same species living together in the same geographic area

Question 3

Gene Transfer

Answer 3

process where bacteria can exchange segments of DNA between them

Question 4

Evolution

Answer 4

change in allele frequency in a population overtime

Question 5

Fitness

Answer 5

relative ability of an organism to survive and reproduce in a particular environment

Question 6

Natural Selection

Answer 6

higher rate of survival and reproduction of individuals with certain traits within a population

Question 7

Adaptation

Answer 7

populations become better suited to their environment as a result of natural selection

Question 8

Directional Selection

Answer 8

type of natural selection in which organisms with phenotypes at one end of the spectrum are favored by the environment

Question 9

Diversifying Selection

Answer 9

natural selection in which organisms which phenotypes at both extremes of the phenotypic range by the environment