Question 25
Reproduction in AnimalsIn which of the following groups of vertebrates would the largest amount of yolk be found in the egg?
- A.Mammals
- B.Fishes
- C.Amphibians
- D.Reptiles.
Show the answer and explanation
Answer: D (Reptiles.)
Explanation
Reptile eggs develop on land with no larval stage, so they carry a large yolk store; mammal embryos are fed through the placenta.