Biology 14 & 15

Question 1

Artificial selection

Answer 1

Selective breeding of organisms selected for certain traits in order to produce offspring

Question 2

Natural selection

Answer 2

Excess reproduction, variations, inheritance, and he advantages of specific traits in an environment.

Question 3

Evolution

Answer 3

Heredity changes in groups of living organisms over time

Question 4

Homologous structure

Answer 4

A similar structure inherited from a common ancestor

Question 5

Vestigial structure

Answer 5

Reduced form of a functional structure that indicates shared ancestry.

Question 6

Analogous structure

Answer 6

Structure that had the same function but different construction and was not inherited from a common ancestor

Question 7

Embryo

Answer 7

Organisms early prebirth stage of development

Question 8

Fitness

Answer 8

Measure of a traits relative contribution to the following generation

Question 9

Camouflage

Answer 9

Morphological adaptations that allow organisms to blend into their surroundings

Question 10

Mimicry

Answer 10

Which one species evolves to resemble another species for protection or other advantages

Question 11

Genetic drift

Answer 11

Random change in allelic frequencies in a population

Question 12

Stabilizing selection

Answer 12

Organisms with extreme expressions of a trait are moved

Question 13

Directional selection

Answer 13

Shift of a population toward an extreme version of a beneficial trait

Question 14

Disruptive selection

Answer 14

Process in which individuals with average traits are moved