natural selection

Question 1

adaptation

Answer 1

a characteristic that improves an individuals ability to survive or reproduce

Question 2

species

Answer 2

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

Question 3

evolution

Answer 3

the process in which inherited characteristics within a population change over generations such that new species sometimes arise

Question 4

fossil

Answer 4

the remains or physical evidence of an organism preserved by a geological process

Question 5

fossil record

Answer 5

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

Question 6

trait

Answer 6

a genetically determined characteristic

Question 7

selective breeding

Answer 7

the human practice of breeding animals or plants that have desired characteristics

Question 8

natural selection

Answer 8

the process by which individual that are better adapted to their environment survive and reproduce successfully

Question 9

generation time

Answer 9

the period between the birth of one generation and the birth of the next