natural selection Flashcards
1
Q
name the types of natural selection
A
- directional
- stabilising
- disruptive
2
Q
describe directional selection
A
where one extreme of an organisms phenotype is selected, and the other extreme is acted against
3
Q
describe stabilising selection
A
where an intermediate phenotype is selected and both extremes of phenotype are acted against
4
Q
describe disruptive selection
A
where both extremes are selected
5
Q
describe the mode in terms of directional selection
A
the mode changes
6
Q
describe the mode in terms of stabilising selection
A
the mode stay the same but the range of phenotype decreases