Refer the graph and answer the questions that follow

Refer the graph and answer the questions that follow.
(i) The graph depicts which type of natural selection?
(ii) Explain the other two effects/ types of natural selection.
refer-the-graph-and-answer-the-questions-that-follow5

(i) The graph depicts disruptive natural selection. This type of selection tends to eliminate intermediate types,
(ii) The other two types of natural selection are:
(a) Directional selection Large number of individuals acquire value other than mean character value.
(b) Stabilising selection Large number of individuals acquire mean character value.