Measuring Evolution

9/18/02


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Table of Contents

Measuring Evolution

Selection and Galapagos finches

Selection on beak depth in G. fortis

Selection on G. magnirostris

Measuring natural selection

Stabilizing selection on song repertoires

Sample problem

Footprint fossils

Homo erectus footprints

Marine invertebrate burrow fossils

Phylogeny from behavior: duck courtship

Courtship similarity between ducks

What if behavioral phylogeny ƒ DNA phylogeny?

Infer trait evolution

Inferring discrete trait evolution

Inferring trait evolution

Phylogenies can be used to test adaptationist hypotheses

Female preferences evolved before male swordtails

or do they?

The comparative method and continuous characters

Sperm competition in primates

Infer continuous trait evolution

Phylogenetically independent contrasts

Testes size vs mating contrasts

Author: Jerry Wilkinson

Email: gw10@umail.umd.edu

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