Which ecosystem has the highest gross primary productivity?

  • A
    Rainforests
  • B
    Tundra
  • C
    Mangroves
  • D
    Grasslands

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$A$: In secondary productivity,no new organic matter is formed.
$R$: It is only the utilisation of part of food manufactured by primary producers in the building of consumer biomass.

Arrange the following ecosystems in increasing order of mean $NPP$ (Tonnes / ha / year):
$A.$ Tropical deciduous forest
$B.$ Temperate coniferous forest
$C.$ Tropical rain forest
$D.$ Temperate deciduous forest

Secondary productivity is defined as ...

Which of the following ecosystems has the highest productivity per unit area?

Which of the following ecosystems has the highest primary productivity?

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