5th Class Science Animals Animal Life

Animal Life

Category : 5th Class

Animal life

 

Synopsis

  • The surroundings in which an animal lives is called its habitat
  • Animals undergo changes in their living habitats and body structures as the environment changes. Adaptations are changes that are slow and gradual and take place over a period of time.
  • The table given below shows the body coverings in different animals.

 

Animals

Body coverings

Functions

1. Snail, turtle and tortoise

Shell

Protects the body from injury and from the attack of enemies

2. Fish and reptiles

Scales

Protect the body

3. Birds

Feathers

Help them in flying and in keeping their body warm

4. Mammals

Hair and fur

Protect their body and keep them warm

 

Tit bits

TUATARA   

 

There is no other reptile like the tuatara. While other reptiles are basking in the sun to get warm, the tuatara sleeps and comes out only at night, to feed on spiders and beetles. It is active at temperatures as low as , twenty degrees cooler than any other reptile. As it is so cool the tuatara moves and functions very slowly.         

It breathes only once every seven seconds when. It is moving, and once an hour when it is resting. 

 

  • The table shows different feeding habits.

 

Feeding habit

Animals

Adaptations

Herbivores

Cow, sheep, goat, rabbit

Sharp front teeth and large flat back teeth

Carnivores

Lion, wolf, frog, lizard, snake, owl, eagle

Sharp pointed front teeth, strong back teeth, sharp strong claws and hooked beak

Omnivores

Humans, bear, rat

Well - developed teeth. 

Sucking

Butterfly, leech, honeybee, sun-bird

Proboscis in butterfly, honey bees, suckers in leech, long beak in sun-bird

Insectivores

Chameleon, frog, lizard,

Long tongue in lizard chameleon

 

  • The table shows different organs aiding in breathing.

 

Animals

Organs

Mammals, birds amphibians and reptiles

Lungs

Frog  while in water and earthworm

Moist skin

Grasshopper, cockroach

Spiracles or air holes

Fish, tadpoles and prawns

Gills

 

  • The table shows different methods of moving.

 

Animals

method of moving

Adaptation

Cheetah, horse, deer, zebra and fox

good runners

strong hind and fore limbs

Rabbit, hare, kangaroo and frog

hop

stronger and longer hind limbs and tail

Snakes and worms

curving and crawling

cylindrical body and scales

Crocodile, lizard and turtle

crawling

short legs

Insects

walk and fly

six legs and wings

Birds except ostrich, emu and penguin

fly

wings, hollow bones and light body

Fish

swimming

fins

Water boatman

swim

legs as oars

Monkey, ape and gorilla

arboreal

opposable thumb

Prawn and tadpole

legs

swimming

Frog

swim

webbed hind legs

Turtle and penguin

swim

flippers

Arctic tern

fly

Wings

 

Some animals like Arctic tern, eels, butterflies and Siberian cranes migrate long distances to escape the cold weather.

 

 

 

Other Topics

Notes - Animal Life
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