PP Notes Chapter 26 Cladistics - part 1 Winter 2012

Branch lengths can represent genetic change

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Unformatted text preview: nge Drosophila Drosophila Lancelet Zebrafish Lancelet Frog Zebrafish Chicken Frog Human Chicken Human Mouse PALEOZOIC 542 MESOZOIC 251 Millions of years ago CENOZOIC 65.5 Present Mouse 3 1/16/2012 Phylogenetic trees are hypotheses Cladistics Cladistics is changing the way we classify organisms 4...
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