Advertisements
Advertisements
प्रश्न
| 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.
Advertisements
उत्तर
- Pyramid of number
- Pyramid of biomass
APPEARS IN
संबंधित प्रश्न
In an ecosystem dominated by trees, the pyramid (of numbers) is ______ type.
Distinguish between upright and inverted pyramids.
'The pyramid of energy is always upright.' Explain
Give an example of an ecosystem that shows an inverted pyramid of biomass.
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
What does the base tier of the ecological pyramid represent?
What are the shortcomings of ecological pyramids in the study of ecosystems?
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.
