UNI101Y1 Study Guide - May Berenbaum, Small Ground Finch, Bean Weevil

• School: UTSG
• Department: University College Courses
• Course: UNI101Y1
• Professor: Spencer Barrett

Document Summary

Bio120h lisa zhao 2011 | page 5. On floreana and san cristobal, the 2 species geospiza fuliginosa and g. fortis have diff. beak sizes. On daphne island where g. fortis occurs alone, its beak is intermediate in size b/w those of the two species on florana and san cristobal. On los hermanos island, g. fuliginosa occurs alone w/ intermediate-sized beak. C o evo lut io n in vo lves mut ual evo lut io n ar y r espo n ses b y. In t er ac t in g po pula t io n s. Coevolution can also result in suites of traits forming mutualism b/w species ex. flowers and pollinators. Difficult to discern the order in which adaptations occurred (sometimes not even due to interactions) Ants protect aphids and leafhoppers from predators for excreted nutritious honeydew in return. Most insects that suck plant juices produce large amounts of excreta from which they can"t extract all the nutrients.