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Unformatted text preview: new way of life)? This idea invokes the concept of the adaptive zone , a new set of ecological niches utilized/exploited by a group of related species in which this group might radiate (speciate) extensively and increase in diversity. The diversity of marine invertebrates in the Phanerozoic (period of visible life) is the best example. Increase from Cambrian to Ordovician, then mass extinction; increase to plateau through the Paleozoic (major extinction events in middle of plateau); continuous increase from Triassic through Tertiary (see figure below)....
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This note was uploaded on 11/06/2011 for the course BIO BSC1010 taught by Professor Gwenhauner during the Fall '10 term at Broward College.
- Fall '10