6.1 Quiz Review

Question 1

What evidence is there for whales to have evolved from mammals?

Answer 1

the evidence is in the similar bone structure

Question 2

What is adaptation is?

Answer 2

a characteristic that improves an individuals ability to survive and reproduce in a particular environment

Question 3

What do scientists compare to determine a common ancestor?

Answer 3

fossils and living organisms

Question 4

What is evolution?

Answer 4

the process in which inherited characteristics within population change over generations such that new species arrive

Question 5

What is the tree of life?

Answer 5

a sketched out diagram of all known organisms

Question 6

Know what is a fossil?

Answer 6

the trace or remains of an organism that lived long ago, most commonly preserved in sedimentary rock

Question 7

What is the fossil record?

Answer 7

a historical sequence of life indicated by fossils found in layers of earths crust

Question 8

What is a species?

Answer 8

a group of organisms that are closely related and can mate to produce fertile offspring