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Understanding Homology and Analogous Structures in Evolution, Slides of Ecology and Environment

An explanation of homology and analogous structures in the context of evolution. Homology refers to similar structures in different species due to a common ancestral past, while analogous structures have similar appearances or functions but do not share a common ancestry. The text uses examples of forelimbs in vertebrates, embryonic development, and vestigial organs to illustrate these concepts.

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2012/2013

Uploaded on 01/28/2013

rajanikanta
rajanikanta 🇮🇳

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Download Understanding Homology and Analogous Structures in Evolution and more Slides Ecology and Environment in PDF only on Docsity! EVIDENCE FOR EVOLUTION Docsity.com Homology •One evidence for evolution are the similarities that exist between species. • If a similarity exists because of a common ancestral past, then the structures are called Homologous Structures. Docsity.com •Other examples of homology include the embryos of vertebrates. •Many show similar patterns of development and structures such as gill slits, tails and a notochord even though these structures may be absent in the adult. Docsity.com Fish Salamander Tortoise Chick Calf Rabbit Hur city com Embryonic Development Docsity.com Sey see eC eC ee L) —