ADAPTATIONS IN ANIMALS

In land the toads breathe using their lungs and in water they breathe through their skin. This process of developing features to suit the environment is called ____.

• mastication

• aestivation

• adaptation

• hibernation

Dinosaurs are extinct because _____.

• the leaves they ate were poisonous

• they fought with each other and got killed

• they froze during the Ice age

• they could not adapt to the Earth’s climatic changes

Match the animals to their habitat:

• {1-iii, 2- i, 3- ii}

• {1-ii, 2- i, 3- iii}

• {1-i, 2- ii, 3- iii}

• {1-ii, 2- iii, 3- i}

I have legs to run fast. I can breathe through my lungs. I have well-developed sense organs. Who am I?

• 
• 
• 
• 

Find the incorrect statement:

• The camel has thick skin and scanty hair to protect itself from extreme heat and cold.

• Desert rat is active in the afternoon.

• The camel can survive without food for many days.

• Desert rats can stay alive without drinking water.

Bats fly faster than birds because ____.

• they hang upside down and this strengthens their wings

• they do not eat grains and hence have sleek wings

• their wings are made up of thin skin and not feathers

• they are awake at night and can fly without interruption in the daytime

Ketki suffered from stomach-ache, weakness and loss of interest in eating food. Her mom gave her deworming medicine as the infection could have been due to the presence of ____ in her body

• tape worms

• black worms

• earth worms

• ring worms

Look at the picture and pick the correct statement from

the ones listed below.

• Penguins are terrestrial animals and need to stick together to lay eggs.

• The body fat stored in a penguin is called starch and it keeps the penguins warm.

• Penguins stand close to each other to keep themselves warm using body heat.

• Penguin mothers protect their eggs under the sea by staying close to each other

If a whale becomes an amphibian one day, which of the following changes will occur?

• It will breathe using lungs.

• Its skin will become waterproof.

• It will eat small fishes.

• Its fins will turn into webbed feet.

Match the animal to its protection mechanism.

• [A-ii, B-iii, C-i]

• [A-i, B-ii, C-iii]

• [A-ii, B-i, c-iii]

• [A-I, B-iii, C-ii]