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Answer the following questions.
What is a habitat?
Why do some animals hibernate in winter?
3. How do the following animals breathe?
(1) camel (ii) fish (iii) frog
4. Why do birds migrate?
5. What kind of teeth do the following animals have?
(i) horse (ii) cheetah
6. How do the following animals protect themselves from their enemies?
(i) chameleon (ii) deer () tortoise
answer
Answers
What is habitat?
A habitat is a place where organisms makes its home.
Why do some animals hibernate in winter?
Hibernate is deep sleep adaptation mechanism that helps such animals to save energy and survive the winter without .
How do the following animals breathe?
How do the following animals breathe? *camel
Camels have specialized nostrils that allow them to breath by through their nose
*fish
Fish take water into their mouth, passing the gills just behind its head on each side. Dissolved oxygen is absorbed from-and carbon dioxide released to-the water, which is then dispelled. The gills are fairly large, with thousands of small blood vessels, which maximizes the amount of oxygen extracted.
*frog
Frog Respiration. The frog has three respiratory surfaces on its body that it uses to exchange gas with the surroundings: the skin, in the lungs and on the lining of the mouth. While completely submerged all of the frog's repiration takes place through the skin.
Why do birds migrate?
birds migrate to find the best ecological conditions and habitats for feeding, breeding and raising their young. When conditions at breeding sites become unfavourable, it is time to fly to regions where conditions are better.
What kind of teeth do the following animals have?
*horse - incisors
*cheetah - smaller canine teeth
How do the following animals protect themselves from their enemies?
*chameleon
Change their skin colour according to the surrounding
* deer
Uses their large antlers as a means of defence and offence
* tortoise
Tortoise have the ability to use their tough claws and strong legs to dig into the ground and create burrows
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