Question

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E. Short-Answer Questions:
1. How do spiracles help insects?
2. List the different ways that animals adopt for feeding.
3. What is the function of scales in the body of a reptile?
4. List the three factors which determine the way an animal moves.​

Answer 1

Answer:

1. Insects have spiracles in their exoskeleton to allow the air to enter in trachea

Answer 2

Answer:

Ans 1 - Spiracles allows air to enter the trachea. In this way Spiracles help insects.

Ans 2 - The different ways that animals adopt for feeding are :-

Filter feeding :- Obtaining nutrients from particles suspended in water.

Deposit feeding :- Obtaining nutrients from particles suspended in soil.

Fluid feeding :- Obtaining nutrients by consuming other organisms food.

Bulk feeding :- Obtaining nutrients by eating all of an organism.

Ans 3 - The function of scales in the body of a reptile is that it protect reptiles from injury and prevent them from losing water.

Explanation:

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