BIOL 363 Lecture Notes - Lecture 16: Archaea, Deep Ecology, Blood Test

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3 Jan 2020
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Currently there are about 1. 5 million named species excluding the bacteria and archaea estimated that there are a million eukaryotic it is the planet species now on. 1 exotic species species that have been introduced to a new area. 2 endemic species species that are only present in one particular native habitat often in one location. 3 endangered species species known to be in a severe decline and facing a very high risk of going extinct in wild. Criteria for endangered species a reduction in population size over a period of years geographic range constriction or or quality c population size has dropped below a d analysis suggests a the next decade or certain point. 507 chance of extinction within three successive generations three successive generations loss of habitat area time the. 4 near threatened species species that does not fit one of is considered close the criteria to be endangered but to fitting one or more.

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