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Give reason. Energy flow through an ecosystem is ‘one way’. - Science and Technology

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प्रश्न

Give reason.

Energy flow through an ecosystem is ‘one way’. 

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उत्तर

The producers convert solar energy into chemical energy in the form of organic compounds. The primary consumers (herbivores) derive their nutrition from the producers. According to the energy transfer law, only 10% of energy is transferred from one trophic level to the other. So, the energy that is captured by the producers does not revert back to the Sun and the energy transferred to the herbivores does not come back to the producers. It just keeps on moving to the next trophic level in a unidirectional way. That is why the flow of energy in the food chain is always unidirectional/one-way.

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अध्याय 7: Energy Flow in an Ecosystem - Exercise [पृष्ठ ८७]

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बालभारती Science and Technology [English] 9 Standard Maharashtra State Board
अध्याय 7 Energy Flow in an Ecosystem
Exercise | Q 3. a. | पृष्ठ ८७
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