Question
All eco-systems begin with energy input from-
The correct answer is
Sun
Firewood represents stored chemical energy, derived from plants that initially captured energy from the sun. However, the question asks about "All" ecosystems, and the Sun is the dominant, initial energy source for the vast majority.
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Important Questions from Ecology and Ecosystem
Which of the following is the largest ecosystem in the world?
Which one of the following is an example of ex situ conservation of biological resources?
Which of the following statements refers 'Endemic Species'?
What is the transition zone between two ecosystems known as?
The flow of energy in an ecosystem follows the laws of
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