Question

Explain the ten per cent law whit the help of an example. true or false

Answer 1

The ten percent law as per to biology states that the energy transferred to the next trophic level in a food chain is 10% of the energy taken by the animal in the previous trophic level.

For example,

let us consider a food chain:

GREEN PLANT>  RABBIT>  FOX>  LION

Here, the energy absorbed by green plant from sun is 1%, but energy received by rabbit from the plant, fox from the rabbit and lion from the fox is 10%.

Say, if sun provides 1000 J energy then plant will get 1% i.e. 10 J.

Rabbit will get 10% of 10 J i.e. 1 J and lion will get 10% of 1 J i.e. 0.1 J.

{HERE 'J' STANDS FOR 'JOULE'}