Evolution: Key Terms Flashcards
(6 cards)
1
Q
What is evolution?
A
Process of changing over time. (successive changes in a populations characteristics occurring over successive generations)
2
Q
What is adaptation?
A
Structure, physiology, or behaviour that helps an organism survive and reproduce in a particular environment.
3
Q
What is variation?
A
Differences in appearance, physiology, or behaviour in a particular species.
4
Q
What is a species?
A
A group of organisms that naturally interbreed to produce fertile offspring.
5
Q
What is a gene pool?
A
Total of all genes in a population at any one time.
6
Q
What is a population?
A
Number of organisms of the one kind/species that live in a given area at a given time.