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Question

What is the external raw material used by an organism?


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Solution

The external raw material:

  1. Energy is required by all living species, to sustain and preserve their existence.
  2. Oxygen, water, and food are examples of external raw materials used by organisms.
  3. Plants obtain their raw materials from the environment in the form of carbon dioxide, water, and sunlight.
  4. These are used to synthesize their food in the presence of chlorophyll, a green color pigment.
  5. Animals use basic materials in the form of food, water, and oxygen from the environment.

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