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Question

What does biodiversity loss primarily refer to in an ecological context ?

This question was previously asked in
UPTET 2026 Paper 2 Social Studies Question Paper (3-Jul-2026) (Shift 1)
The correct answer is

Decrease in the variety and number of species in ecosystems

Biodiversity refers to the variety and number of different species living within an ecosystem.

When biodiversity is lost, the number and variety of species present in an ecosystem decline, leaving fewer kinds of organisms than before.

An increase in species variety, a maintained natural balance, or species movement between ecosystems describe stability or growth, not a loss of biodiversity.

Therefore, biodiversity loss primarily refers to a decrease in the variety and number of species within ecosystems.

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