History of Life

Physiology biogeochemistry summary prokaryotes masters

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Unformatted text preview: ologies. The Cambrian explosion: what happened? All animal phyla appear in the fossil record What it is responsible for: Rapidity: 30 million years to generate range of morphologies Production of disparity Timing Diversity in the Paleozoic 542- 250 mya Trilobites. Stem group arthropods Fish get going Large vascular plants such as ferns, forests but no angiosperms. Plants move to land: Ordovician Animals move onto la...
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This document was uploaded on 03/23/2014 for the course BIOL 185 at Georgetown.

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