Chapter 15

Question 0

Darwin's 5 points on evolution
       #2

Answer 0

2: traits are inherited from parents to offspring

Question 1

Darwin's 5 points on evolution
       #1

Answer 1

1: members of a population often vary greatly in their traits

Question 2

Darwin's 5 points on evolution
       #3

Answer 2

3: most species are capable of producing more offspring than the environment can support

Question 3

Darwin's 5 points on evolution
       #4

Answer 3

4: owing to lack of food or other resources, many of these offspring do not survive

Question 4

Darwin's 5 points on evolution
       #5

Answer 4

5: survival of the fittest

Question 5

Law of use and disuse

Answer 5

Of you use and organ or body part it gets stronger or better

Question 6

Law of inheritance of acquired traits

Answer 6

Organisms can pass acquired traits to their offspring

Ex. Tattoos

Question 7

Mimicry

Answer 7

Ones species has traits similar to another species

Question 8

Camouflage

Answer 8

Organism that blends in with its surroundings

Question 9

Homologous Structures

Answer 9

Anatomical resemblances that represent variations on a structural theme present in common ancestors

~same structure, different function

Question 10

Analogous Structure

Answer 10

Same function, different structure

Ex. Bats wing, birds wing, butterfly wing

Question 11

Vestigial Structure

Answer 11

Body structure that no longer serves it’s original purpose

Ex. Appendix, tailbone, arrector pili

Question 12

Comparative Embryology

Answer 12

Reveals anatomical homologies not visible in adult organisms

Question 13

Embryo

Answer 13

Earliest stage of growth of both plants and animals

Question 14

Ontogeny recapitulates Phylogeny

Answer 14

As an embryo you will go through most of your evolutionary change