Douglas J. Futuyma - Evolution

SECOND

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DOUGLAS J. F U T U Y M A

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evolution

SECOND

EDITION

COMPANION WEBSITE www.sinauer.com/evolution The evolution Companion Website is a valuable companion to the textbook that can help you master the material you will be studying in your evolution course. Available to you free of charge, the site is designed to help you learn the concepts and terminology introduced in each chapter, and to use that knowledge to analyze real-world research.

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ChaptT 4 Data Analysis Exercise Using Fossil Evidence to Make Inferences about the Evolution of Cetaceans Introduction (Th» txtvcac n based on Fitzgef aW. E M G 2006 A bizarre new 'pp'^'gd "^vstiege (Cdacea) from Australia and the early evolulion of baleen whales Pirx R Soc B 273 2955-2963) In Chaptcf 4. we learned about the early evolution or ihe cetaceans (whales and Iheir rel«ives) and we saw how fossil evidence shed lioftt on tne transition of thts group from animals Iturt were semi-aquabc. perhaps livir>g kke hippopolamuses. to animals that were completely aquatic and lacked (he ability to live on land This exercrse wib demonstrate how fossil evidence can also be used to make further inferences about the ecology arxj evolution ot cetaceans by looking at a finer division within that group, the division between the toothed and the finer-feeding whales.

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