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Name___________________________________ Date____________________ Text Comparison Matrix Concept/subject: Evolution Patterns Patterns Directional Selection Stabilizing Direction Disruptive Direction Divergent Evolution Convergent Evolution Description -favors one extreme -form of a trait -results in species showing one extreme form of a trait -Ex: woodpeckers with long beaks -favors the average form of a trait -results in less variation in a population -Ex: average sized spiders -favors both extreme forms of a trait -can result in 2 species over a long period of time -Ex: light and dark limpets Divergent Evolution: species that were similar become different in order to adapt to different environments (Adaptive radiation is a type of divergent evolution) Convergent Evolution : species that were unrelated evolve similar traits in order to occupy similar environments in different parts of the world EX: pipe cactus and Euphorbia – both have fleshy body type and no leaves to survive the desert but totally unrelated Summary: Copyright © LEARNING-FOCUSED. All Rights Reserved. www.Toolbox.LearningFocused.com