Related species which are reproductively isolated but morphologically similar are called

Sexual reproduction of Spirogyra is morphologically

Closely related, morphologically similar reproductively isolated, sympatric populations are called as

Closely related, morphologically similar reproductively isolated, sympatric populations are called as

[A] : A species is an interbreeding population which is reproductively isolated from other similar but morphologically distinct populations . [R] : Each species has its own niche which is not utilized exactly by another species .

[A] : A species is an interbreeding population which is reproductively isolated from other similar but morphologically distinct populations . [R] : Each species has its own niche which is not utilized exactly by another species .

[A] : A species is an interbreeding population which is reproductively isolated from other similar but morphologically distinct populations . [R] : Each species has its own niche which is not utilized exactly by another species .

[A] : A species is an interbreeding population which is reproductively isolated from other similar but morphologically distinct populations . [R] : Each species has its own niche which is not utilized exactly by another species .

[A] : A species is an interbreeding population which is reproductively isolated from other similar but morphologically distinct populations . [R] : Each species has its own niche which is not utilized exactly by another species .

[A] : A species is an interbreeding population which is reproductively isolated from other similar but morphologically distinct populations . [R] : Each species has its own niche which is not utilized exactly by another species .

Which is related to reproductive isolation ?