Natural Selection Flashcards
1
Q
Evolution definition
A
Theory that the animal and plant species living today descended from species in the past
2
Q
Evolution started with
A
Uni-cellular organisms
3
Q
They evolved to become
A
multi-cellular organisms
4
Q
What are fossils
A
The remains or traces of of plants and animals that have turned to stone
5
Q
How have fossils been preserved
A
Natural processes
6
Q
How do organisms evolve
A
The process of natural selection
7
Q
Natural Selection definition
A
Process where species change over time in response to environmental changes and competition for resources. The organisms with the best suited characteristics will survive and reproduce, passing on their genes.
