ANIMAL WORLD (PART 5)

Good Morning Students.
We will  do  some  written work today in the notebook.  Let  us  start  with  the  questions given in the  previous  blogs .
You  needn't  redo if you have written the correct answers.

Q1: Define:

a) Environment 
Ans) The surroundings in which the animals grow is called their environment.

b) Habitat

Ans. An area where a particular animal naturally lives is called its habitat.

Q2. Explain the different  body coverings of animals with examples.

Ans. There are four types of body coverings of animals:

a) Fur or wool.

Eg - dog, cat, lion, monkey

b) Feathers- All birds have feathers.

Eg - parrot, peacock

c) Scales

Eg - fish, snake

d) Shell

Eg - tortoise,turtle,snail.

Q3. Define respiration.

Ans)  Oxygen  that  we  take in combines with food we eat.  In  this  process  carbon dioxide and energy  is released.  This process is called  respiration.

Q4. Name the different organs  used  by animals  for  breathing  :

Ans) 1) Amoeba and  Paramecium - Body  surface

2) Insects  -  air holes  /  Spiracles

3)Aquatic  animals-  Gills

4)Birds  , reptiles , mammals  - Lungs 

5) Frogs , Salamanders,  toads - lungs , gills  and  body  surface.

Q5. Give two examples of each.

Ans. Carnivores - lion and tiger

        Rodents - mouse and rabbit

        Animals with sticky tongue - frog and lizard

Q6. How do the teeth of herbivores help them in eating?

Ans. Herbivores have sharp front teeth (incisors) for cutting and biting grass or leaves. they have strong, broad teeth at the back (molars) for grinding.

Now let us copy Q7 to Q12 in our notebook.

Q7: How  do  feathers  help  birds to  survive in their habitat?

Ans) Birds  have  feathers that  protect them  from  cold and  rain.  The  feathers  also  help them to fly .

Q8. How  does  the  body covering of  a  fish  help it to  survive in water?

Ans) The  body of  a fish is   covered  with layers  of  flexible  overlapping  scales.  The   hard scales  protect  their  body  from  attacks from other animals. 

Q9. How  does  a  tortoise  protect itself  using its  body  covering?

Ans) Tortoise protects its  body  using   its  hard shell.

Q10. Explain  breathing  process  in  fishes.

Ans)  Fishes  live  in  water  and they  have  special  organs  called  gills.  Gills  have  a  rich  supply  of  blood vessels. Oxygen  in the  water enters into the  blood  and  carbon  dioxide  is  passed out.

  

Q11. How  does  a  frog breathe  in  land  and  water?

Ans) A  frog  breathes through  its  moist  skin in  water  and with  lungs  when on land.

Q12. Explain  the  process  of breathing  in  mammals.

Ans)  The  air  that  we  take in  has  oxygen in it . This  oxygen  reaches  our  lungs  through  the  wind pipe.  Lungs  are  richly  supplied  with  blood vessels . Oxygen  passes  from the  air to  the  blood and  carbon dioxide is  given out  through the nose.

You  can  now  watch  this  video  for  a   better understanding  of  breathing in  animals.

I hope you enjoyed the video.

That's all for today.

Take care. God Bless!!