Define pyramid of energy.

Define pyramid of numbers.

Cite an example of an inverted ecological pyramid. What kind of pyramid of energy would it have ?

Define pyramid of biomass.

Consider a pond ecosystem. a. Draw a pyramid of energy in that ecosystem. b. Compare three types of pyramidal relationship found among the organisms in pond ecosystem. c. Is there any difference between nutrient flow and energy flow in an ecosystem ? Substantiate.

Which one of the following statements for pyramid of energy is incorrect , whereas the remaining three are correct?

Assertion (A): Pyramid of energy transfer is upright. Reason (R): During the energy transfer at successive trophic levels from producers there will be gradual decrease

(a) Define ionization energy. (b) Prove that ionization energy is a periodic property.

Define High grade energy. Give some of the examples of High grade energy.

Define Low grade energy. Give some of the examples of Low grade energy.