CLASS4 EVS chapter 4 Notebook Work

               Animal Classification 

Key –words                                

classification	coastal	deforestation	amphibians
habitat	arboreal	vertebrates	reptiles
terrestrial	aerial	invertebrates	mammals
aquatic	grasslands	boneless	leathery
adaptations	polar	backbone	toxic

 Define the terms

1.                Habitat: A place or an environment where a plant or an animal naturally or normally lives, feeds or grows.

2.    Deforestation: The process of cutting down of trees.

3.    Terrestrial animals: The animals that live on land are called terrestrial animals.

4.    Arboreal animals: Arboreal animals are terrestrial animals that live mostly on trees.

5.    Aquatic animals. The animals which live in water are called aquatic animals.

6.    Amphibians: Animals that can live on both on land and in water.

7.    Reptiles: Animals that crawls on the ground.

8.    Mammals: Animals that give birth to young ones and produce milk.

Questions and Answers

Q-1: Describe the adaptations shown by the terrestrial animals living in desert and Polar regions.

Ans:1) Desert animals show less fur or hair on  the body.

2) Polar region animals have thick fur on their body.

Q-2 State the difference between terrestrial animals and arboreal animals and give examples.

Ans:

Terrestrial	Arboreal
1. Animals that live on land.	1. Terrestrial animals that spend much of their life time on trees.
2.Deer and elephant	2.Panda and sloth

Q-3 Name the five groups of vertebrates with an example of each.