Biology
Grade-10
Easy

Question

Which of the following is the sole source of energy for all ecosystems on the planet?

  1. Water
  2. Sun
  3. Plants
  4. Animals

hintHint:

The source of solar energy.

The correct answer is: Sun


    • Sun or solar energy is the sole source of energy for all ecosystems.
    • Solar energy is considered as a renewable energy.
    • Solar energy is required by plants during photosynthesis.
    • This energy is the starting point for the nutrient cycles in an ecosystem.

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