Fill in the blanks: Energy transferred from one trophic level to another is _______________.

What happens to the amount of energy transferred from one trophic level to the next in a food chain?

Complete the blanks. The entering of pollutants in a food chain is called _____(1). The tendency of polluntants to concentrate as they move from one trophic level to another is called ____(2).

Fill in the blanks: Transfer of pollengrain from anther to stigma is called_________.

Fill in the Blanks:Solar energy is………………

Fill in the blanks Ovum is released from ________.

The second trophic level in a lake is-

How much percentage of the biomass is transferred from one tropic level to the next in a food chain?

Fill in the Blanks:Petrol is obtained from petroleum by……………….

Fill in the blanks: The contraction of heart in frog commences from ______________________.

Fill in the blanks: The vitamin that cannot be isolated from plants is __________.