FIELDS AND FORESTS,Class-4,EVS

1) Amphibians

Organisms that complete its life cycle on land and in water are called amphibians.

eg: frog,newt,toad,cecilian,salamander

 

2)Largest frog in the world - Goliath frog

3) Adaptations of an eagle

* Strong and curved beak

*Sharp pointed nails

*Long vision

 

4)Adaptations of a squirrel

*Colour of its body helps to escape from enemies

*Claws helps to climb on tree.

 

5)Adaptations of a woodpecker (മരംകൊത്തി)

 *Strong beak

*Toes with strong nails

 

  6)What are the demerits of the destruction of ecosystems?

*Organisms lost their habitat

*Destruction of water resources

*Extinction(വംശനാശം) of organisms 

Do you know?

Some water plants like pistia,salvinia etc. have no long roots.They floats on  water surface.They have small leaves and their roots hanging in the water.Roots can absorb essential nutrients from water surface.

 

  

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