Q10 of 67 Page 98

How much of the net primary productivity of a terrestrial ecosystem is eaten and digested by herbivores?

The net primary productivity of a terrestrial ecosystem is eaten and digested by herbivores is 10%. As per the 10 percent rule the herbivores utilize 10% of their net primary productivity and pass it on to the next tropic level while the rest of the 90% is used up in metabolic activities like breathing, thermoregulation, osmoregulation, etc.

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