|
|
|
3
|
process by which organisms change over time
|
|
4
|
scientists who study human beings and trace their evolution
|
|
7
|
survival of organisms with favorable traits
|
|
8
|
a thumb that can touch all of the other fingers
|
|
10
|
ability of an organism to blend in with its surroundings
|
|
11
|
trait of an organism that helps it live in its environment
|
|
12
|
order of mammals
|
|
14
|
group of primates in which modern humans and their ancestors are classified
|
|
|
|
|
|
|
1
|
organism that no longer exists on earth
|
|
2
|
body parts that are reduced in size and that serve no function
|
|
5
|
upright; walk on two legs instead of four
|
|
6
|
study of the parts, or structures, of living things
|
|
9
|
adaptation of an organism that protects the organism because its appearance is similar to another organism
|
|
13
|
remains of organisms that lived in the past
|
|
|
|
