Question

which is the ultimate energy source for all organisms ?
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Answer 1

Explanation:

Carbohydrates maybe !! fats.... lipids

Answer 2

Answer:

Sunlight

Explanation:

£ The Sun is the major source of energy for organisms and the ecosystems of which they are a part. Producers, such as plants and algae, use energy from sunlight to make food energy by combining carbon dioxide and water to form organic matter.

£ Photosynthesis is a process used by plants and other organisms to convert light energy, into chemical energy. It takes place by two steps light reaction and dark reaction. Light reaction synthesizes ATP and NADPH

2

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which is utilized for fixation of carbon dioxide into carbohydrates during the dark reaction. So, the sun is called as the ultimate source of energy for all living organisms.

So, the correct answer is option B.

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