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The initial source of energy to all the ...

The initial source of energy to all the varied forms of life is

A

A glucose molecule

B

An ATP molecule

C

The solar energy

D

A protein molecule.

Text Solution

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The correct Answer is:
To answer the question about the initial source of energy for all forms of life, we can break down the information step by step. ### Step-by-Step Solution: 1. **Understanding Life Forms**: All life forms on Earth can be categorized into two main groups: producers (like plants) and consumers (like animals). 2. **Role of Producers**: Producers, primarily plants, are capable of photosynthesis. This process allows them to convert light energy from the sun into chemical energy in the form of glucose. 3. **Photosynthesis Process**: During photosynthesis, plants use sunlight, carbon dioxide from the atmosphere, and water from the soil to produce glucose and oxygen. The overall reaction can be summarized as: \[ \text{6 CO}_2 + \text{6 H}_2\text{O} + \text{light energy} \rightarrow \text{C}_6\text{H}_{12}\text{O}_6 + \text{6 O}_2 \] 4. **Energy Flow in Ecosystems**: The glucose produced by plants serves as an energy source for themselves and for herbivores (animals that eat plants). When herbivores are consumed by carnivores, the energy continues to flow through the ecosystem. 5. **Importance of Solar Energy**: Without solar energy, photosynthesis cannot occur. Therefore, the initial source of energy for all life forms is solar energy, as it is the fundamental energy source that supports the entire food web. 6. **Conclusion**: Thus, the initial source of energy for all varied forms of life is solar energy, which is harnessed by plants through photosynthesis. ### Final Answer: The initial source of energy to all the varied forms of life is solar energy.
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