Evolution Flashcards
1
Q
A trait or behavior that helps an organism survive in its environment.
A
Adaptation
2
Q
The way nature chooses which organisms survive and reproduce based on their traits.
A
Natural Selection
3
Q
When a species completely disappears and no longer exists.
A
Extinction
4
Q
Differences in traits among individuals of the same species.
A
Variation
5
Q
An early form of a species from which later species evolved.
A
Ancestor
6
Q
A collection of fossils that shows how life has changed over millions of years.
A
Fossil Record
