1.

 Write a comparative note on pyramid of biomass and pyramid of energy.(OR) What are the differences between pyramid of biomass and pyramid of energy?

Answer»
Pyramid of numberPyramid of energy
1. Pyramid of number is a graphical representation designed to show the number of organisms at each tropic level in a given ecosystem.1. Pyramid of energy is a graphical representation designed to show the quantity of energy present at each tropic level in a given ecosystem.
2. It shows the population of organisms at each tropic level in a food chain.2. It shows the available energy at each tropic level in a food chain.
3. This pyramid sometimes does not look like a pyramid at all. It may be upright like in a grassland ecosystem partly upright like in forest ecosystem or inverted like in parasitic ecosystem.3. This pyramid is always upright, as only 10% of energy is transfering from one tropic level to other.



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