Most amphibians return to water to lay their eggs because
A) the egg lacks an amniotic membrane.
B) water is isotonic with their egg fluids.
C) amphibians need water to mate.
D) embryos rapidly dry out as they do not have a covering.
E) fertilisation is external.

Question

Quizplus · Accepted Answer

Amphibian eggs lack an amniotic membrane, which means they need a moist environment to prevent desiccation and support development.

Most Amphibians Return to Water to Lay Their Eggs Because