Importance of Evolution Flashcards
1
Q
what is common descent?
A
sharing a feature with another organism becuase of a common ansestor
2
Q
what is evolution?
A
the change in allele frequencies in populations over time
3
Q
how does evolution occur?
A
mutation, drift and natural selection
4
Q
what are the three “ingredients” for natural selection?
A
- variation (members of the population must not be completely identical)
- heredity (offspring must resemble their parents)
- heritable traits must affect the survival or reproduction of their carriers
5
Q
A
