Energy requirement for the maintenance of body with successively higher trophic level

Increase in concentration of toxicant at successive trophic levels is

In a food chain members of successive higher trophic level are fewer in number, why?

What percentage of energy available at the producer level is transferred to the successive trophic level in a food chain?

Loss of energy from one trophic level to next higher trophic level is

The movement of energy from lower to higher trophic level is

The movement of energy from lower to higher trophic level is

The movement of energy from lower to higher trophic level is