'Similar embryo development' presentation slideshows

Classification Chapter 17

Classification Chapter 17. Species of Organisms. Almost 2 million species of organisms have been described Thousands more are discovered each year The total number of species ranges from 5 to 30 million. What is Classification?.

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Classification

Classification. Species of Organisms. There are 13 billion known species of organisms This is only 5% of all organisms that ever lived!!!!! New organisms are still being found and identified. What is Classification?.

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Domains

Domains. Broadest , most inclusive taxon Three domains 1. Archaea and 2.Eubacteria are unicellular prokaryotes (no nucleus or membrane-bound organelles) 3. Eukarya are more complex and have a nucleus and membrane-bound organelles.

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KEY CONCEPT Evidence of common ancestry among species comes from many sources.

KEY CONCEPT Evidence of common ancestry among species comes from many sources. NGSSS.

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KEY CONCEPT Evidence of common ancestry among species comes from many sources.

KEY CONCEPT Evidence of common ancestry among species comes from many sources. NGSSS.

185 views • 12 slides

239 views • 11 slides