Question

Answer the following questions in brief.
1. What is nutrition?
2. Why are animals and humans called heterotrophs?
3. What is the ultimate source of all the energy needs of our body?
with Science-7​

Answer 1

Answer:

1)the process of providing or obtaining the food necessary for health and growth.

2)Animals depend on other organisms for getting their food. They cannot make their own food, so they are heterotrophs.

3)The sun, directly or indirectly, is the source of all the energy available on Earth.

Answer 2

Answer:

(1) The process of obtaining and utilising food by organism is called nutrition.

(2) Animals depend on other organisms for getting their food. They cannot make their own food, so they are heterotrophs.

(3) The Sun is the ultimate source of all the energy needs our body.

Explanation:

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