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In a forest ecosystem, a large population of insect feeds upon a banyan tree. Several small birds feed upon these insects. The small birds are fed upon by big-sized birds. - Biology (Theory)

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Question

In a forest ecosystem, a large population of insect feeds upon a banyan tree. Several small birds feed upon these insects. The small birds are fed upon by big-sized birds.
  1. With respect to this ecosystem, draw a pyramid for each biomass and a pyramid of number.
  2. If 20,000 Kcal energy is available at the level of insects, calculate the amount of energy available at the level of big-sized birds.

Diagram

Solution

  1. Pyramid of number

  2. Pyramid of biomass

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