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Question : Differentiatebetweenanalogy andhomologygiving oneexampleoneeachof plantand animalrespectively . ( B)Howare they consideredas anevidence in support of exampleofevolution ? |
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Answer» Solution :Homology : thisrefers to simlaranatomy but differentfunctioning . example : thorn andtendrilofbouganivllleaand cucurbita andforelimbs of whale andbats . Analogy : thisrefers to similarfunctioning differentanatomy Example: Eye of octopusandmammalsand SWEET potao ( ROOT MODIFICATION ) and potato( STEM modification ) THESESTRUCTURES areconsidered as anevidenceofevolutionbecause: Homologypointstodevelopmentof asimilarstructurein different directions duetodifferent needsindicatingdivergentevolution . 2.Analogy point to different structures evolvingforthesamefunctionindicating convergent evolution . |
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