Why birds live in and around ponds have webbed feet?

Why can't fish live on land ?

Observe the birds given below and write which have same kind of food habit.

What can we do to have birds in our surroundings and different insects in fields?

Why cranes have legs and long beaks?

Why do living organisms have narrow pH range ?

Why do people living in hot and humid region wear cotton clothes?

Pictures of different kinds of plants and animals which live in ponds and lakes in our surroundings are given below for you. Try to know their local names with the help of your teacher and write them in your note book.

Do you think both living and nonliving things are necessary for our environment. Why?

Why do sponges and hydra not have blood