Question : Give scientific reasons for the statements : Bat is not a bird and whale is not a fish.

Question : Give scientific reasons for the statements : Bat is not a b

1.	Question : Give scientific reasons for the statements : Bat is not a bird and whale is not a fish.
Answer» Solution : Bat is a flying mammal. It has exoskeleton of HAIR and not feathers. The external ear shows pinna, the codont teeth in the jaws. Wings are not provided with feathers and it is viviparous, giving BIRTH to living young ones. Hence, the bat is not a BIRD. Whale is an aquatic mammal. It does not have exoskeleton of DERMAL scales but has hair on the skin. Its heart is four-chambered. It is a warm-blooded (homoiothermic) animal. It is a viviparous animal. Hence, the whale is not a fish.