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NTA Abhyas NEET2020BotanyEcosystemPractice

Based on the diagram given below, choose the correct statement from the following.

Options

  1. AIt is a pyramid of energy depicting the ocean ecosystem.
  2. BIt is a pyramid of biomass which shows a small standing crop of phytoplankton supporting a larger standing cro
  3. CIt is a pyramid of biomass of a grassland ecosystem with standing crop of primary consumers supporting that of
  4. DIt shows the pyramid of number of the plankton population in an ocean ecosystem.

Correct answer

B. It is a pyramid of biomass which shows a small standing crop of phytoplankton supporting a larger standing cro

Step-by-step solution

Each trophic level has a certain mass of living material at a particular time called the standing crop. The standing crop is measured as the mass of living organisms (biomass) or the number in a unit area. An ocean ecosystem is largely dominated by the plankton population. The given diagram shows an inverted pyramid of biomass with a small standing crop of phytoplankton supporting a large standing crop of zooplankton.

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