____ describes the number of different species in an area. It has both ____ value and ____ value. The ____ influences the survival of many others. ____ and ____ are keystone species. ____, ____, and ____ affect the biodiversity of an ecosystem. ____ are the most diverse ecosystem. The organisms in a healthy population have a ____ of traits that are determined by ____ which are the basic units of heredity. The ____ is a collection of different genes present in a population of a particular species. A species with diverse gene pool is better able to ____.

Biodiversity

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