Question

Define 'speciation'. Explain how speciation occurs.

Page 285 Chapter - 16. Heredity and Evolution

Answer 1

The formation of new species from an existing one is called speciation.The factors which affect speciation are:
Genetic variation
Natural selection
Genetic drift
Reproductive isolation

Answer 2

${\huge{\underline{\underline{\tt{\red{A}{\blue{N}{\pink{S}{\green{W}{\orange{E}{\purple{R \: :}}}}}}}}}}}$

Speciation is the process by which new species form. It occurs when groups in a species become reproductively isolated and diverge. In allopatric speciation, groups from an ancestral population evolve into separate species due to a period of geographical separation.

$\large\tt\fcolorbox{red}{pink}{Hope \: it \: helps \: you}$