Which of the following twins look dissimilar?

The young one of a lion is called:

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

Parents who adopt children are called:

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

Which is  a place where children who have no parents live and are taken care off?

Which of the following looks exactly the same as each other?

Baby dog is called:

Which of the following is the process by which people take care of children who are not born to them?

Elephants live in large: