What criteria should one use in categorizing | vedclass

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(B) species is categorized as threatened based on several criteria,primarily focusing on the risk of extinction: $(i)$ Population decline: The number

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Rapid decline in population size

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(B) species is categorized as threatened based on several criteria,primarily focusing on the risk of extinction: $(i)$ Population decline: The number of individuals of the species is decreasing at an alarming rate. $(ii)$ Habitat loss and fragmentation: The natural environment required for survival is being destroyed or broken into smaller,isolated patches. $(iii)$ Predation and competition pressure: Increased pressure from predators or invasive species. $(iv)$ Introduction of alien species: Non-native species outcompeting or preying on the native species.

What criteria should one use in categorizing a species as threatened?

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