Vertebrates with external fertilization produce eggs that:

Question

Quizplus · Accepted Answer

Vertebrates with external fertilization, such as many fish and amphibians, produce eggs that have a yolk to nourish the developing embryo (A), and these eggs exchange gases (B), eliminate wastes (C), and absorb water (D) directly with their aquatic environment through diffusion. They do not typically have hard shells (E), which is more characteristic of eggs laid on land by birds and some reptiles to prevent desiccation.

Vertebrates with External Fertilization Produce Eggs That