Advertisements
Advertisements
Question
Give an example of an ecosystem that shows an inverted pyramid of biomass.
Solution
The oceanic ecosystem is an example of an inverted pyramid of biomass.
APPEARS IN
RELATED QUESTIONS
“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.
Which organisms constitute the last trophic level?
Answer the following question.
What is an ecological pyramid? Compare the pyramids of energy, biomass, and numbers.
Secondary consumers are __________.
Distinguish between the upright and inverted pyramid of biomass.
Pyramid of biomass in terrestrial ecosystem shows sharp decline in
Organisms at a higher trophic level have less energy available. Comment.
Draw a diagram of pyramid of energy.
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.
| 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.
