Biol 203 Ecology Final Exam Completely Solved!!

Biogeography - ANSWER Study of variation in species composition and diversity across geographic locations regional species pool - ANSWER all the species contained within a region (gamma diversity) gamma diversity - ANSWER total species diversity in a landscape alpha diversity - ANSWER Species physiology and interactions with other species are important factors in the resulting species diversity beta diversity - ANSWER change in species, or turnover, from one community type to another; connects local and regional scales continental drift - ANSWER movement of landmasses across Earth's surface Pangaea - ANSWER The name of the single landmass that broke apart 250 million years ago and gave rise to today's continents -Laurasia separated from Pangaea about 150 mya and subsequently split into North America, Europe, and Asia -Gondwana split into South America, Africa,