7.8

Question 1

environmental perturbation

Answer 1

alteration or change in environment induced by internal or external mechanisms (pollutants)

Question 2

antibiotic resistance

Answer 2

some bacteria resist and survive

Question 3

california candor

Answer 3

decline in population causing bottleneck, now there is genetic diversity

Question 4

prairie chickens

Answer 4

evolved due to environmental pressures

Question 5

conjugation

Answer 5

DNA is transferred from 1 prokaryotic cell to another

Question 6

genetic variation in mutations

Answer 6

occurs during DNA replication

Question 7

bacteriophages

Answer 7

carry prokaryotic DNA from one cell to another (transduction)

Question 8

transformation

Answer 8

uptake of foreign DNA from prokaryote’s surroundings (changes genotype)

Question 9

transposition

Answer 9

prokaryotes and eukaryotes have stretches of DNA that can more from one section to another within the genome

Question 10

deleterious

Answer 10

mutations that cause harm

Question 11

transposons

Answer 11

alter genomes by moving DNA sequences to different locations, transposable element that moves within a genome by means of a DNA intermediate