What is the difference betweenprezygotic barriers and postzygoticbarriers?A. Prezygotic barriers form viable zygotes but they diebefore reproducing, unlike postzygotic.B. Prezygotic barriers don't allow a zygote to form, butpostzygotic do.C. Postzygotic barriers are all physical and externalbarriers between species.D. Prezygotic barriers cause infertile offspring hybrids.