1.

Question : a) Explain the terms : i) Speciation ii) Natural selection b) List four factors which could lead to speciation.

Answer»

Solution :a) i) Speciation : Speciation is the evolution of reproduction isolation among once interbreeding population i.e, the DEVELOPMENT of one or more species from an EXISTING species.
ii) Natural selection : Natural relationship in the process, according to Darwin, which bring about the evolution of new species of animals and parents.
b) Four factors which can lead to speciation are :
GENETIC drift : Over generation, genetic drift may ACCUMULATE which lead to speciation.
Natural selection : Natural selection which may give rise to speciation.
Severe DNA change
A variation may occur which does not ALLOW sexual act between two groups.


Discussion

No Comment Found