4. How do insects move?
# Long answer type questions.
1. What do you mean by habitat? What are the various types of habitat?
2. How is the breathing process of an insect different from that of a fish?
3. Describe the features that help a bird to fly.
4. What is migration? Why do animals or birds migrate?
HOTS (Higher Order Thinking Skills)
1. I am a dual organism. I live on land and even in water. How do you
I breathe and move, like a fish or a man?
2. Birds are living organisms that fly. But some can swim like aquatic an
Is it true? If yes, which structure helps such birds?
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5. How does the body covering of a snail help it in protecting itself?
Answers
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Answer:
answers of question 1 2 3
Explanation:
1. 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.
2.Insects breathe through small, paired holes called spiracles, which open into the tracheae. Tracheae and tracheoles deliver oxygen directly to air sacs and tissue cells and carry away carbon dioxide. A fish's respiratory system is a pump mechanism.
3.Flying birds have: lightweight, smooth feathers – this reduces the forces of weight and drag. a beak, instead of heavy, bony jaws and teeth – this reduces the force of weight. an enlarged breastbone called a sternum for flight muscle attachment – this helps with the force of thrust