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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
Answer the following question.
What is an ecological pyramid? Compare the pyramids of energy, biomass, and numbers.
Give an example of an ecosystem that shows an inverted pyramid of biomass.
Which one of the following is not used for construction of ecological pyramids?
Which one of the following statements for pyramid of energy is incorrect, whereas the remaining three are correct?
Organisms at a higher trophic level have less energy available. Comment.
What are the shortcomings of ecological pyramids in the study of ecosystems?
Write a short note on pyramid of numbers and pyramid of biomass.
(a) Draw a pyramid of numbers where a large number of insects are feeding on the leaves of a tree. What is the shape of this pyramid?
(b) Will the pyramid of energy be also of the same shape in this situation? Give a reason for your response.
The biomass of a standing crop of phytoplankton is 4 kg/m2, which supports a large standing crop of zooplankton having a biomass of 11 kg/m2. This is consumed by small fishes having a biomass of 25 kg/m2, which are then consumed by large fishes with a biomass of 37 kg/m2.
Draw an ecological pyramid indicating the biomass at each stage and also name the trophic levels. Mention whether it is an upright or inverted pyramid.
Give a scientific reason:
The pyramid of energy is always upright.
