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प्रश्न
Pyramid of numbers is ______.
विकल्प
Always upright
Always inverted
Either upright or inverted
Neither upright nor inverted
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उत्तर
Pyramid of numbers is either upright or inverted.
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संबंधित प्रश्न
Why the pyramid of energy is always upright? Explain.
In a food chain, the herbivores are represented by
(A) producers
(B) primary consumers
(C) secondary consumers
(D) decomposers
Explain energy pyramid
Answer the following question.
What is an ecological pyramid? Compare the pyramids of energy, biomass, and numbers.
Write any two limitations of ecological pyramids.
Explain with the help of labelled diagrams, the difference between an upright pyramid of biomass and an inverted pyramid of biomass.
In a tree ecosystem the pyramid of numbers is:
Pyramid of energy in grassland and pond ecosystem is always ______.
Which of the following organism form the decomposers?
What does the base tier of the ecological pyramid represent?
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.
What are the shortcomings of ecological pyramids in the study of ecosystems?
Draw a diagram of pyramid of energy.
A graphic representation of the biomass relationship between the producer and consumer in an ecosystem is called ______.
Describe pyramid of energy with the help of diagram.
| 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.
-
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.
