Question

21.
"As energy moves progressively through various trophic levels of food chain
it is no longer available to the previous level.” Give reasons.​

Answer 1

Answer:

Due to 10% Law.

Explanation:

As Level of foot chain increase 10% of energy reduce.That 10% of energy is utilise by that Organism itself. Take an example:Plant prepare food and that plant is eaten by deer then only 90% of total energy is transfer to deer. Again when same deer is eaten by Lion then only 90% of of total energy of deer is transfer to Lion.