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9 Cards in this Set

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  • Back

Extant living species on Earth

Estimates 5 to 15 million

How many scientifically named and descibes species

1.5 1.8 million

How many fossil species are known

250,000



How many species have ever lived on earth

We will never know, estimates are up to 2 billion

Linnean classification

Carlous Linnaeus, 1707-1778



Microbial life/Microbes

Single celled or cell clustered organisms


bacteria and archaeans



Prokaryotes

unicellular, very small, lacking nucleus, once placed in the kingdom monera

Domain archaea

Extremophile


Domain Bacteria(Eubacteria)

Blue Green algae