Learning Catalytics Questions

Question 1

Mechanisms behind natural selection

Answer 1

1. variability
2. Heritability
3. Differential Reproductive Success

Question 2

Can an individual evolve?

Answer 2

Yes

Question 3

Natural Selection favors the traits that

Answer 3

Increase reproductive success

Question 4

Bright colored male guppies attract females, but are also more easily spotted by predators. In a pond without predators, ___________ colors will be favored. In a pond with many visual predators _________ colors will be favored.

Answer 4

bright : dull

Question 5

selection often _____ the genetic variation of a population

Answer 5

decreases

Question 6

co-discovered evolution by means of natural selection

Answer 6

alfred russel wallace

Question 7

showed that populations can grow faster than food supply

Answer 7

thomas malthus

Question 8

gradualism founder

Answer 8

charles lyell

Question 9

a theory that changes of organic life and of earth itself occur through gradual increments

Answer 9

gradualism

Question 10

organisms can change over time

Answer 10

jean baptiste lamarck

Question 11

What did Darwin see that helped him conclude that species could change over time

1. weird animals like duck billed platypus
2. fossils of giant sloths and modern sloths
3. the work of Thomas Malthus

Answer 11

fossils of giant sloths and modern sloths

Question 12

allopatry begins with ___

Answer 12

geographic isolation

Question 13

describes a population or species that is physically isolated from other similar groups by an extrinsic barrier to dispersal.

Answer 13

allopatry

Question 14

is more than two sets of chromosomes derived from a single species.

Answer 14

autopolyploidy