Which is different in related species

In which , male and female animals of two different related species are mated ?

In this method, male and female animals of two different related species are mated.

How are threatened species classified? OR What are the different types of threatened species?

The taxon which includes related species is

The taxon which includes related species is

Which one of the following will be largely different in various animal species?

Choosing different time for feeding and different foraging pattern can avoid competition in the :- (a) Closely related species found in different habitats (b) Two species compete for same resources (c) Species having similar niche and sharing same habitat (d) Two species having different niche in same habitat

The differences among the species are due to differences in their