Put the sentences into the interrogative and negative forms1. Animals and plants live under different conditions2. Life

1. Animals and plants live under different conditions.

Do animals and plants live under different conditions?

Animals and plants  don\'t live under different conditions

2. Life exists in many places in the world.

Does life exist in many places in the world?

Life  doesn\'t exist in many places in the world.

3. Biologists have made a great contribution to science.

 Have biologists made a great contribution to science?

Biologists haven\'t made a great contribution to science.

4. A knowledge of biology will help you to keep healthy.

Will a knowledge of biology help you to keep healthy?

A knowledge of biology won\'t help you to keep healthy.

5. Biologists control many diseases.

Do biologists control many diseases?

Biologists  don\'t control many diseases.

6. Some animals can exist under the immense pressure of the deep seas.

 Can some animals exist under the immense pressure of the deep seas?

Some animals can\'t exist under the immense pressure of the deep seas.

7. Scientific methods of farming have given us much more food.

 Have scientific methods of farming given us much more food?

Scientific methods of farming haven\'t given us much more food.