A decrease of the biodiversity of an ecosystem is one of the prime cause for a reduction in ecosystem productivty.
Productivity in ecology signifies towards the rate of generation of biomass in an ecosystem. Generally it is articulated in units of mass per volume per unit time. A decrease in biodiversity is one of the major cause of a decrease in ecosystem productivity.
The loss of biodiversity generally takes place by five prime factors:
A reduction in biodiversity results in a decrease in the stability of the ecosystem. As a change to one organism will exhibit a greater influence on the entire ecosystem.
Thus, the correct answer is option b.
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