27.Balaenoptera belongs to which class of Vertebrata: A. Reptilia B. Amphibia C. Osteichtyes D. Mammalia
Option D Balaenoptera belongs to class mammalia. Mammals are warm-blooded animals who give birth to their younger ones. They are the most dominant form of animals found in almost all types of habitats. They have mammary glands that help them produce milk to feed their younger ones. Presence of region of the brain known as Neocortex.
