Question

What are outside raw materials used by an organism?

Answer 1

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Outside raw materials used for by an organism:-

• water ,which is used for digestion of food and also useful for certain body functions.

• oxygen,admittedly oxgen is useful for breakdown of food which provide energy and it is very mandatory for an organism.

• food,it is obligatory source of energy for a body.

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Answer 2

Carbon baesd molecules, i.e. food is used by body from outside to meet its energy need. Oxygen is used to oxidise food which release energy. So, food and oxygen are the basic raw materials used by an organism.