What did Darwin observe regarding finches on different islands in the Galapagos? Different beak sizes led to birds singing different songs, which he found led to assortative mating. Different beak sizes and shapes were adapted to fit well with the available food. O Darwin observed that offspring of finches had similar sized beaks as their parents. O Finches could easily hop over to different islands and would quickly find new niches. 20 988 114 4 Indoor Playground with Wheels

Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter21: Microevolution: Genetic Changes Within Populations
Section: Chapter Questions
Problem 1ITD: Peter and Rosemary Grant of Princeton University have studied the ecology and evolution of finches...
Question
What did Darwin observe regarding finches on different islands in the Galapagos?
Different beak sizes led to birds singing different songs, which he found led to assortative
mating.
Different beak sizes and shapes were adapted to fit well with the available food.
O Darwin observed that offspring of finches had similar sized beaks as their parents.
O Finches could easily hop over to different islands and would quickly find new niches.
20
988
114
4
Indoor Playground with Wheels
Transcribed Image Text:What did Darwin observe regarding finches on different islands in the Galapagos? Different beak sizes led to birds singing different songs, which he found led to assortative mating. Different beak sizes and shapes were adapted to fit well with the available food. O Darwin observed that offspring of finches had similar sized beaks as their parents. O Finches could easily hop over to different islands and would quickly find new niches. 20 988 114 4 Indoor Playground with Wheels
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