ZoologyWhich of the following represents the correct combination of a group with its character, without any exception?

Which of the following represents the correct combination of a group with its character, without any exception?

A
Mammalia – Viviparous
B
Chondrichthyes – Oviparous
C
Aves – Oviparous
D
Osteichthyes – Viviparous

Solution:

All birds are oviparous. Among mammals, prototherians (e.g., Ornithorhynchus - platypus) is oviparous. Chondrichthyes are viviparous. Osteichthyes are mostly oviparous.