3rd Class Science Animals Types of animals on the bases of their Habitat

Types of animals on the bases of their Habitat

Category : 3rd Class

*      Types of Animals on the Basis of their Habitat

 

 

 

*        Terrestrial Animals

Terrestrial animals either live on the land or inside burrows below the surface. These animals have well developed systems of locomotory organs (like legs, skin, and wings) and breathing organs (Lungs, skin, etc.) to breathe in oxygen. All other systems including sensory organs are well suited for the survival. For example, the human beings, rabbits, mouse etc.

           

        Rabbits                                              Mouse  

 

*       Aerial Animals

Animals like birds, some insects live maximum in air. Their bones are light and hollow to make their movements easy in air. They fly with the help of wings. Look at the following picture of aerial animals:

                                           

               Flying fish                                     Bat                                          Graylag gees  

 

*       Arboreal Animals

Animals spending maximum time on trees are called as arboreal animals. They have opposable thumb to hold branches of the trees.

 

Look at the following picture of arboreal animals:

                                                                    

      Monkey                                         Chimpanzee                                      Gorilla  

 

*       Aquatic Animals

Aquatic animals live in water. They have stream lined body to swim easily in water. They have gills as breathing organs. Whales are aquatic but they have lungs for breathing.

 

Look at the following picture of aquatic animals:

                          

            Seahorse                                              Whale                                                          Dolphin  

 

*       Amphibians

Some animals can live both on land and in water. These are called amphibians. For example/ frogs, which live both on land and in water. They breathe through their moist skin when in water, and through lungs when on the land,

  

Look at the following pictures of amphibians:

                                                 

         Frog                                                                        Salamander  

 

*     Features of Different Types of Animals

We see a wide variety of animals in our surrounding. Some animals are found swimming in water/ some are seen on the walls. Some are seen flying in the air and some are seen in the soil. All animals have specifically designed body structure for their kind of habitat.

Fishes live in water. They have special parts called gills to breathe underwater. Fishes swim with the help of fins and tail. Some fishes posses scales all over its body.

Few animals like crab, starfish, prawn, lobsters etc. live in water but are not fish. They are covered by hard shell all around their bodies. They have more than 2 legs instead of fins and they lay eggs in water. Whale, dolphin, tortoise are mammals give birth of babies though they live in water. Blue whale is the largest mammal.

                                                           

        Snake                                              Crocodile                                     Tortoise  

Lizard is a commonly seen animal in our houses. They are seen everywhere on the wall or on the ground. Chameleon is a lizard that can change its colour according to the surrounding to protect themselves from enemies.

Snakes, crocodiles, alligators, tortoise and turtles also belong to the lizard group. They have dry skin covered with scales. They lay eggs. Snakes has no legs they have teeth. But they don't chew food rather swallow food whole. Snakes can't hear. Python is the biggest snake.

Human beings, cats, dogs, cows, elephants, tigers, lions, kangaroos, etc. are mammals that live on land and give birth to young ones.

Kangaroos and koalas have special pouch on their stomach and back respectively. They give birth to undeveloped babies that crawl to a pouch. They live there till they are fully developed.

Platypus is a mammal that lays eggs. They feed their babies with their milk. Mammals have well developed brains than other animals.

Earthworm lives in soil and are generally seen crawling on the ground after rain. Snails mostly live in water but are also seen on land. These are very soft animals with no legs.

Few animals like frog, toad, salamander can live on land as well as in water They have soft smooth skin. They lay eggs in water. Tadpole is the young one which is hatched from eggs.

Monkeys, chimpanzees and gorillas are tree dwellers with grasping hands and feet. They climb well and find much of their food in trees. They give birth to young ones. They use tools to catch insects. They are closest to human than other animals.

Insects are the biggest group of animals. Ant, butterfly, bees, flies, moths, mosquitoes, cockroach, grasshoppers etc. are insects. They have 6 legs, 2 pair of wings, and 1 pair of feelers. Feelers are sense organs for touch and smell. They lay eggs. Some insects like cockroaches shed their skin many times to become adult. This is called moulting. Many insects are harmful to us as they cause diseases in our body. Malaria is caused by mosquitoes. But there are insects like honey bees which gives us honey. Silk is obtained from silk worm. Butterfly helps in pollination of flowers.

 

 

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       Which one of the following is the largest group of animal kingdom?

(a) Birds

(b) Fishes

(c) Mammals

(d) Insects

(e) Reptiles

 

Answer: (d)

Explanation

Insects include ants, bees, flies, butterfly, dragonflies and many more. More than 1 million types of insects are found. Therefore, option (d) is correct and rest of the options is incorrect.

 

 

       Animal 'X' posses following characteristic:

(i) Grasping hand and feet

(ii) Closest to human being than other

(iii) Tree dwelling

Which one of the following groups does 'X' belong?

(a) Aerial

(d) Terrestrial

(c) Aquatic

(d) Arboreal

(e) None of these

 

Answer: (d)

Explanation

Monkeys, chimpanzees, gorillas all belong to arboreal group which has opposable thumb to hold branches of the trees. Therefore, option (d) is correct and rest of the options is incorrect.

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