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
“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.
Why the pyramid of energy is always upright? Explain.
Distinguish between a food chain and a food web.
Explain energy pyramid
Write any two limitations of ecological pyramids.
Secondary consumers are __________.
Give an example of an ecosystem that shows an inverted pyramid of numbers.
In a tree ecosystem the pyramid of numbers is:
Pyramid of energy in grassland and pond ecosystem is always ______.
Which one of the following is not used for construction of ecological pyramids?
Pyramid of biomass in terrestrial ecosystem shows sharp decline in
What does the base tier of the ecological pyramid represent?
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.
Draw a diagram of pyramid of energy.
A graphic representation of the biomass relationship between the producer and consumer in an ecosystem is called ______.
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 a pyramid of numbers represent?
What does a pyramid of biomass represent?
Which statement explains the inverted pyramid of biomass in oceanic ecosystems?
Why can the pyramid of energy never be inverted?
When is a sparrow a secondary consumer?
