I.
Answer the following questions in two or three sentences:
1. Why do lotus plants have air spaces in their stems and leaves?
2. Define Habitat. Name the five major habitats on the earth.
3. How is a yak able to survive on the mountains?
4. List the common characteristics of the living things
5. Why does a fish die when kept outside the water?
II.
Answer the following questions in brief:
6. All living things respond to stimuli. Explain with an example.
7. Raju says camels will become extinct if rainforests are destroyed? Is he right?
Give reason to support your answer.
III.
Answer the following question in detail:
8. How are mangrove plants adapted to survive in mangrove swamps?
Answers
Answer:
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Answer:
1 -The air spaces within the stems and leaves maintains buoyancy which helps them in floating in the water
2- The area where a particular organism lives naturally is called its habitat. The five major habitats are – forests, grasslands, deserts, mountains and polar regions, and aquatic habitat. Oceans and freshwater together form the aquatic habitat.
3- it has thick hair over it's body surface to make it warm during cold weather and survive
4-grow , reproduces, respire
5- fish are able to survive inside the water where they have specialised gills through which they obtain the dissolved oxygen to respire but when they are taken outside the gills of the fish would collapse abd thus they won't be able to survive