effects

Question 1

genetic change

Answer 1

change in frequency of alleles in the gene pool of a popualtion

Question 2

evolution

Answer 2

is the process by which new species of organisms develop from original form

Question 3

natural selection

Answer 3

individuals better adapted to their environment (survival of the fittest) that pass the alleles on to the next generation

Question 4

selective breeding

Answer 4

people (not environment) select the individuals to breed

Question 5

sexual selection

Answer 5

a case of natural selection where one gender acts as a selecting agent and breed with the most successful (best genes)

Question 6

genetic drift

Answer 6

change in allele frequencies due to chance not selection (ants being stomped on)

Question 7

founder effect

Answer 7

small group of individuals colonize in a small area

Question 8

founder effect

Answer 8

small group of individuals colonize in a small area

Question 9

bottleneck effect

Answer 9

populations suddenly reduced to small numbers. can be caused by an environmental effect (flood) or by human action (introduction of predators)