6 terms

Darwin's observations & inferences

Campbell Ch 22
Observation #1
Members of a population often vary greatly in their traits
Observation #2
Traits are inherited from parents to offspring
Observation #3
All species can produce more offspring than the enviro can support
Observation #4
Due to lack of resources, many of these offspring don't survive
Inference #1
Individuals whose inherited traits
give them a higher probability of surviving n reproducing in a given enviro tend to leave more offspring
Inference #2
un= ability of individuals 2 survive n reprod -> accumulation of favorable traits in the population over gens