The last of the QQQ for IBS 8012

(Quick Quiz Questions)


Grant and Grant. 2006. Evolution of character displacement in Darwinís finches. Scinece 313:224


1.      What is the difference between character release and character displacement?Provide a scenario where you might find each of these patterns and draw a hypothetical figure (like Fig 2) that illustrates your point.

2.      What underlying tradeoff influences beak size in this sytems?

3.      Why do you think the authors used principal component axes (PC1 and PC2) instead of the trait values themselves in the phenotypic selection study?

4.      How do biotic and abiotic factors interact in this study?

5.      Why was a strong evolutionary response expected?To what extent was this prediction borne out?