Advertisements
Advertisements
Question
In an ecosystem dominated by trees, the pyramid (of numbers) is ______ type.
Advertisements
Solution
In an ecosystem dominated by trees, the pyramid (of numbers) is inverted type.
Explanation:
A single large tree can support a large number of herbivores (such as insects and birds), which in turn can support a higher number of predators.
RELATED QUESTIONS
Why the pyramid of energy is always upright? Explain.
Describe with examples of pyramids of number and biomass.
With reference to the levels of an organisation, differentiate between living organisms and non-living objects.
Answer the following question.
What is an ecological pyramid? Compare the pyramids of energy, biomass, and numbers.
'The pyramid of energy is always upright.' Explain
Explain with the help of labelled diagrams, the difference between an upright pyramid of biomass and an inverted pyramid of biomass.
Distinguish between the upright and inverted pyramid of biomass.
In a tree ecosystem the pyramid of numbers is:
Which one of the following is not used for construction of ecological pyramids?
Which of the following organism form the decomposers?
Pyramid of biomass in terrestrial ecosystem shows sharp decline in
In an aquatic ecosystem, a mollusc typically belongs to-
Pyramid of numbers is ______.
Organisms at a higher trophic level have less energy available. Comment.
(a) Given below is a pyramid of biomass in an ecosystem where each bar represents the standing crop available in the trophic level. With the help of an example explain the conditions where this kind of pyramid is possible in nature.
(b) Will the pyramid of energy be also of the same shape in this situation? Give a reason for your response.
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.
Give a scientific reason:
The pyramid of energy is always upright.
| 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.
Who developed the concept of ecological pyramids, and in which year?
What does the base of each ecological pyramid represent?
What does the apex of each ecological pyramid represent?
Which combination can produce an inverted pyramid of numbers?
What does a pyramid of energy represent?
Which statement expresses the general pattern of energy across trophic levels?
Which organisms are not included in ecological pyramids even though they play a vital role in the ecosystem?
When is a sparrow a secondary consumer?
