15.1 Natural Selection & Evidence for Evolution

Question 1

artificial selection

Answer 1

breeding organisms with specific traits in order to produce offspring

Question 2

natural selection

Answer 2

organisms with favorable variations survive, reproduce, and pass their variations to the next generation

Question 3

mimicry

Answer 3

one species copies another

Question 4

camouflage

Answer 4

an organism blends in with its environment

Question 5

homologous structure

Answer 5

structural features with a common evolutionary origin

Question 6

adaptation

Answer 6

any variation that aids an organism’s chance of survival in its environment

Question 7

fossils

Answer 7

provide record of early life and evolutionary history

Question 8

analogous structure

Answer 8

body parts that do not have a common evolutionary origin but are similar in function

Question 9

vestigial structure

Answer 9

a body structure present in a modern-day organism that no longer serves its original purpose

Question 10

embryo

Answer 10

the earliest stage of growth and development in plants and animals

Question 11

Who was Charles Darwin and what theory did he propose?

Answer 11

English scientist who proposed biological evolution occurs through natural selection

Question 12

What are the four main pieces of evidence for evolution?

Answer 12

fossils, anatomical structures, embryology, shared biochemistry