January 28 2014

EVOLUTION

1.Change in a pop. over time

2. common ancestor

3 life continues to evolve during changing environments

How do species change over time?  genes
How do genes change over time?  mutation
To increase survival in the environment, one should be? 
fittest
Fitness- to grow and produce viable and fertile offspring

Adaptations -process by which useful characteristics evolve.  The environment acts on the phenotype. 

In order for a pop. to evolve, members must inherit genetic variations.

POPULATION GENETICS