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The original source of ALL energy for living organisms is ___________, while the most direct, useable source of energy to be used by organisms is __________. A) glucose, the sun B) the sun, ATP C) ATP, glucose



Answer :

Gibbs
The original source of ALL energy for living organisms is the sun, while the most direct, useable source of energy to be used by organisms is ATP (B). 

The correct answer is option C

The original source of energy is the sun while most of the energy in the organisms is used in the form of energy. The energy from the sun is used by the green plants to make food by the process of photosynthesis and this food is used by the human beings and animals. The energy in animals and human is in the form of ATP.

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