Module 44

Question 1

Evolution

Answer 1

CHange in genetic makeup of a population over time

Question 2

How can we mesure genetic variation

Answer 2

calculating allele and genotype frequencies

Question 3

Mechanisms of evolution

Answer 3

natural selection, genetic drift, migration, mutation, non random mating

Question 4

What mechanism of evolution leads to adaptations

Answer 4

natural selection

Question 5

Adaptations

Answer 5

Fit between an organism and its enviornment

Question 6

Convergent evolution

Answer 6

Trait evolves independently in two separate groups as an ADApTATION in similar environments

Question 7

Common Ancestry

Answer 7

The trait is present in a common ancestor between 2 groups and retained over time.

Question 8

ANALOGOUS traits

Answer 8

Traits that are similar because of convergent evolution

Question 9

HOMOLOGOUS TRAITS

Answer 9

Traits that are similar because they come from a common ancestor

Question 10

What do homologous traits provide

Answer 10

evidence of what common ancestors could’ve looked like
Like group species together

Question 11

Morphological homologies

Answer 11

Anatomical traits that were in a common ancestor and retained over time

Question 12

“Homology”

Answer 12

Shared ancestry

Question 13

“Morphological”

Answer 13

structural