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Question
In an ecosystem, which of the following shows one-way passage?
In an ecosystem, which of the following shows one-way passage?
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Solution
The correct option is B Free energy
Energy flow is the amount of energy that flows from one trophic level to another trophic level in an ecosystem. It is unidirectional or one-way passage. In an ecosystem, flow of free energy occurs through different trophic levels. Producers or plants obtain their energy from the sun by photosynthesis. The primary consumers (herbivores) obtain their energy from the producers. The secondary consumers (carnivores) obtained their energy by using herbivores as a source of food and so on. The energy present at each successive trophic level is 10% of the previous trophic level.Thus, the correct answer is 'Free energy.'
Energy flow is the amount of energy that flows from one trophic level to another trophic level in an ecosystem. It is unidirectional or one-way passage. In an ecosystem, flow of free energy occurs through different trophic levels. Producers or plants obtain their energy from the sun by photosynthesis. The primary consumers (herbivores) obtain their energy from the producers. The secondary consumers (carnivores) obtained their energy by using herbivores as a source of food and so on. The energy present at each successive trophic level is 10% of the previous trophic level.
Thus, the correct answer is 'Free energy.'
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