Question

Write two points on pyramids of number and on pyramids of biomass.​

Answer 1

Explanation:

Biomass is a measure- ment of the amount of living organisms in an area. The biomass pyramid shows the total dry mass of organisms found at each trophic level. A pyramid of numbers gives a count of the numbers of individual organ- isms at each trophic level in an ecosystem

Biomass is a measure of the mass of living tissue in an organism . A pyramid of biomass gives a better diagram than the a pyramid of numbers because it shows the loss of mass from producers to consumers in a food chain

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Answer 2

Pyramids of number:-

1. Pyramid of number can only show biotic potential of an ecosysterm.

2. In the aquatic ecosystem maximum number of producers are present.

3. Availability of food is main factor because as the number of organism at any trophic level is directly dependent upon the availability of organism which are used as food on lower level so

Pyramid of Biomass:-

1. Pyramids of biomass represents the total amount of biomass of each trophic level of ecosystem.

2. In the aquatic ecosystem the pyramid of biomass is in opposite.

3. Mostly these pyramids are also upright that is erect.