concept 1,1

polar bears have a white fur to …………………

• live in desert.

• see in dark.

• hide from predator or their prey.

penguin,s feet warms due to the ………….

• blood vessels.

• fats.

• features.

Panther chameleon changes its color to blend with surrounding environment is known as………….

• echolocation.

• respiration.

• camouflage.

Bull sharks can survive or live in ………..

• fresh water only

• salt water only

• both fresh and salt water

In penguin’s body, dense feathers and thick layer of fat help penguin to be ……………

• warm.

• cold.

• enable to camouflage.

From the example of behavioral adaptation in panther chameleons is ……….

• puff up its body in danger.

• having long and sticky tongue.

• having V-shaped feet.

In fish, ……………carry oxygen to the rest of the bod

• Lung

• Stomach

• Blood vessels

Amphibians breathe using................. and.................

destroy the lungs and causes many diseases

• Pollution

• Sleep

• Nutrition

Organs in humans that work to extract oxygen from air.