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Question : Shape of pyramid in a particular ecosystem is always different in shape. Explain with example. |
| Answer» Solution :In a FOREST ecosystem the pyramid of number is spindle in shape, it is because the BASE `(T_1)` of the pyramid occupies large sized trees (Producer) which are lesser in number. Herbivores `(T_2)` (Fruit eating birds, elephant and deer) occupying second TROPHIC level, are more in number than the producers. In final trophic level `(T_4)`, TERTIARY consumers (lion) are lesser in number than the SECONDARY consumer `(T_3)` (fox and snake). | |