Unformatted text preview: o Can be applied to sexually and asexually reproducing organisms o May eventually replace the biological species concept How many species exist? • Bioderviersity is the total number of species in an ecosystem • 7-10 million species • Number of name species is currently about 1.5 million o 5% prokaryotes and protists o 22% plants and fungi o 73% animals • 7-10,000 species identified annually • Tropical rain forests o Home to 2/3 of the world’s existing species o Most not identified and named o Rapid rate of destruction o Species not yet identified probably being extirpated •...
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- Spring '07
- Bacteria, asexually reproducing organisms