TD Khang

TD Khang - TD Khang Biology 104 Recitation December 7, 2011...

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TD Khang Biology 104 Recitation December 7, 2011 Analysis of Character Displacement in Darwin’s Finches The article, “Evolution of Character Displacement in Darwin’s Finches” by Peter R. Grant and B. Rosemary Grant deals with the concept of how competition can have an evolutionary effect on species that share the same niche. The hypothesis being tested is that competitor species have evolutionary effect on each other that causes different characteristics to develop among the species. This difference in characteristics is also called character displacement. Character displacement in theory should make collecting different resources easier for species because different characteristics such as peak shape will allow specific species to feed on certain seeds. The experiment examined Darwin’s finches (Geospiza fortis) on the Galapagos Islands and what their evolutionary response they have to a competitor species ( Geospiza magnirostris ). The main method used to test this hypothesis was observation and data collection
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This note was uploaded on 02/29/2012 for the course BIO 101 taught by Professor Desaix during the Spring '11 term at UNC.

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TD Khang - TD Khang Biology 104 Recitation December 7, 2011...

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