Question

Geographical and reproductive
isolation of organisms gradually
leads to speciation

Answer 1

Answer:

Gene flow

genetic drift

geographical isolation

Explanation:

Are some reason for speciation.

Answer 2

Answer:

Explanation:

(i) Species is the group of organisms that can produce fertile individuals through natural reproduction.

(ii)   Each species grows in specific geographical condition. Their food, habitat, reproductive ability

and period is different.

(iii) Along with genetic variation, geographical and

reproductive changes are responsible for formation of new species.

(iv) Hence, geographical and reproductive isolation

leads to speciation.