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Question

The rate of formation of new organic matter by deer in a forest ecosystem is called

A
Primary productivity
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B
Secondary productivity
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C
Standing crop
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D
Net primary productivity
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Solution

The correct option is C Secondary productivity

  • Primary productivity is the rate at which energy is converted by photosynthetic and chemosynthetic autotrophs to organic substances.
  • The rate at which the consumers convert the chemical energy of their food into their own biomass is called secondary productivity.
  • A standing crop is the total dried biomass of the living organisms present in a given environment.
  • Net primary production is the rate at which all the plants in an ecosystem produce net useful chemical energy.
  • Thus, the correct answer is option B.

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