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Study Extinct lecture notes PDF with college biology definitions and explanation to study What is Extinct?. Study extinct definitions with college biology terms to review biology course for online degree programs.

Extinct Definition:

  • In an ecosystem, a species is called extinct when there is no doubt that last individual of that species has died in that ecosystem.

    Biology by Dr.William George and A.R.Sheikh



Extinct Notes:

It is believed that due to human activities a species is on a great risk of extinction and endangered. In this modern era the loss of biodiversity has been approaching towards high rise, which further compel species and ecosystem in a danger zone of being demolished. it is also warned by the biologist that if biodiversity keeps on declining, it would completely collapse the ecosystem on the global level.

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