chapter 3: the evidence for evolution

Question 1

intermediate forms

Answer 1

link features of living and extinct organisms

Question 2

vestigial characters

Answer 2

-homologous characters that have lost their original function in a species through evolution

Question 3

adaptive radiation

Answer 3

-rapid increase in the number of species with a recent common ancestor
-species differ in traits which allows them to exploit various resources

Question 4

endemism

Answer 4

-when the distribution of an organism is limited to a particular geographic area

Question 5

artificial selection

Answer 5

-when humans select desirable traits in a species and attempt to perpetuate those traits in future generations

Question 6

fossils in younger strata

Answer 6

resemble modern species in same region

Question 7

fossils in older strata

Answer 7

-show increasing differences in a species