Name one bird which can survive freezing cold temperature?

Among the following which one is a Homeothermic animal.

Male and female sex organs present in the same animal is called as

Which is the largest poisonous snake?

Earth worm is an example of

During the time of delivery, the mother experience severe labour pain, Name the hormone responsible for it?

Who is the father of zoology?

Round worm is an example of

Among the following which one is an example of acoelomate

Which is the highly poisonous fish in the world?