Following is the diagrammatic representation of the operation of natural selection on different traits . Which of the following options correctly identifies all the three graphs A , B and C ?
A | B | C |
Directional | Stabilising | Disruptive |
A | B | C |
Stabilising | Directional | Disruptive |
A | B | C |
Disruptive | Stabilising | Directional |
A | B | C |
Directional | Disruptive | Stabilising |
As we learnt,
Directional or progressive selection -
In this selection, the population changes towards one particular direction along with change in environment.
- wherein
In this, individual at one extreme (less adapted) are eliminated while individuals at other extremes (more adapted) are favoured.