18
Question
How much energy flows from one trophic level to next in a food chain ?
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Solution
When green plants are eaten by primary consumers, a great deal
of energy is lost as heat to the environment, some amount goes
into digestion and in doing work and the rest goes towards growth
and reproduction. An average of 10% of the food eaten is turned
into its own body and made available for the next level of
consumers.
Therefore, 10% can be taken as the average value for the amount
of organic matter that is present at each step and reaches the next
level of consumers.
When green plants are eaten by primary consumers, a great deal of energy is lost as heat to the environment, some amount goes into digestion and in doing work and the rest goes towards growth and reproduction. An average of 10% of the food eaten is turned into its own body and made available for the next level of consumers.
Therefore, 10% can be taken as the average value for the amount of organic matter that is present at each step and reaches the next level of consumers.
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