3.2 2 Natural Selection in action Flashcards
1
Q
If niche occupied by an organism changes
A
Due to changes in the environment different characteristics may make an individual more successful
Selection pressure has changed
2
Q
Changes in selection pressure
A
Result in changes (evolution ) within the species
3
Q
Natural selection can also operate
A
On adaptations less to do with survival and more on attracting a mate
No advantage to their niche but are linked to reproductive success
4
Q
Directional selection
A
Showing changes from one phenotype property to a new more advantageous in the circumstances
5
Q
Frequency of allele
A
In the gene pool
