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Get Answers to all your Questions
(a) What is an ecological pyramid ? Compare the pyramids of energy, biomass and numbers.
(b) Write any two limitations of ecological pyramids.
Answers (1)
(a)
| ENERGY | BIOMASS | NUMBER |
| Shows transfer of energy from one tropic level to others. | Shows transfer of the amount of food/biomass from one trophic level to others. | Shows number of organisms at each trophic level. |
| Always upright. | Mostly upright but can be inverted. | Mostly upright but can be inverted. |
(b)
It does not accommodate the food web, does not take into account the same species belonging to two or more trophic levels. Saprophytes are not given any place.
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