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प्रश्न
In a food chain, the herbivores are represented by
(A) producers
(B) primary consumers
(C) secondary consumers
(D) decomposers
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उत्तर
primary consumers
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संबंधित प्रश्न
Explain energy pyramid
Secondary consumers are __________.
Which one of the following is not used for construction of ecological pyramids?
Which of the following organism form the decomposers?
In a pyramid of biomass, if the total dry weight (kgm-2) of primary produces is about 809, it well increases at tertiary consumer level up to ______.
Pyramid of biomass in terrestrial ecosystem shows sharp decline in
Name any two organisms which can occupy more than one trophic level in an ecosystem.
The number of trophic levels in an ecosystem are limited. Comment.
Draw a diagram of pyramid of energy.
| 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. |
- With respect to this ecosystem, draw a pyramid for each biomass and a pyramid of number.
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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.
