Advertisements
Advertisements
प्रश्न
(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.
Advertisements
उत्तर
(a) Inverted pyramid because a large number of insects feed on one tree.
(b) No, the Pyramid of Energy is always upright and cannot be inverted because some energy is constantly lost as heat at each trophic level as it moves from one to the next.
APPEARS IN
संबंधित प्रश्न
“It is often said that the pyramid of energy is always upright. On the other hand, the pyramid of biomass can be both upright and inverted.” Explain with the help if examples and sketches.
Explain energy pyramid
Which organisms constitute the last trophic level?
Explain with the help of labelled diagrams, the difference between an upright pyramid of biomass and an inverted pyramid of biomass.
Give an example of an ecosystem that shows an inverted pyramid of numbers.
Define ecological pyramids.
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 ______.
Name any two organisms which can occupy more than one trophic level in an ecosystem.
A graphic representation of the biomass relationship between the producer and consumer in an ecosystem is called ______.
Give a scientific reason:
The pyramid of energy is always upright.
