Push your students beyond recall with this higher-order thinking video worksheet designed to accompany the Cornell Lab of Ornithology's Speciation: An Illustrated Introduction! Most video worksheets ask students to fill in blanks and answer basic recall questions. This one is different. The five essay questions require students to compare two mechanisms of speciation, evaluate what the progression from 200 to 10,000 generations of isolation reveals about how new species form, analyze how sexua