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Air is made up of several gases, but the two most important gases are Oxygen and Carbon dioxide. Without oxygen, animals will die, and without carbon dioxide, plants cannot survive. Food (nutrients): Living things need energy for function. Energy is needed to grow, reproduce, move, and to work.

Answer:

For an organism to survive it must need Air, water, sunlight, and vegetation.

Explanation:

To survive an organism he must need Air which contains oxygen.

For the surviving of Flora, he must need carbon dioxide to survive.

To survive organism he required basic need followings:

  1. Sun-light: without sun-light, no vegetation can survive.
  2. Water: without the availability of drinking water no organism can survive.
  3. Air: Contain oxygen without oxygen life is impossible.
  4. Vegetation: Proper vegetation is necessary for the organism to survive, life is impossible where is extreme heat or cold.

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