Two babies born at a time to a mother are called:

Elephants live in large:

Which of the following  lay eggs in the hole in the sand of a sea beach?

Which of the following  is a mammal?

Which of the following is a group of plants or animals which share similar characteristics?

The process by which living things produce their own kind is called:

The young one of a cat is called:

Which bird's egg is about eight times as big as a hen’s egg?

Which of the following lay egg?

Which of the following twins look dissimilar?