Gradualism vs. Punctuated Equilibrium 1. ________________: Phenotypic changes due to evolution accumulate ___________ over time Speciation occurs ______________ 2. __________________ Equilibrium: Species stay relatively _____________ over time What are the two opposing ideas about speciation? Speciation is driven by _________ ___________ that drastically ___________ the ____________, forcing rapid evolution Evolution occurs in _________ ________, as supported by gaps in the fossil record. Speciation occurs both gradually and punctually Does speciation occur gradually or suddenly? There is evidence to support both ideologies. MACRO-EVOLUTION Lab Gradualism vs. Punctuated Equilibrium Introduction:
Gradualism vs. Punctuated Equilibrium What are the two opposing ideas about speciation? 1. ________________: Phenotypic changes due to evolution accumulate ___________ over time Speciation occurs ______________ 2. __________________ Equilibrium: Species stay relatively _____________ over time Speciation is driven by _________ ___________ that drastically ___________ the ____________, forcing rapid evolution Evolution occurs in _________ ________, as supported by gaps in the fossil record. Does speciation occur gradually or suddenly? Speciation occurs both gradually and punctually There is evidence to support both ideologies. MACRO-EVOLUTION Lab Gradualism vs. Punctuated Equilibrium Introduction:
Evolution-intNB_2014.docx