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BIOL 1202 (26)
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Chapter 40

Chapter 40 (got 93% on the test)

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Biological Sciences
BIOL 1202
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Chapter 40 Basic Principles of Animal Form and Function4122010Concept 401 Animal form and function are correlated at all levels of organizationPhysical laws especially physics of exchanging materials with environment limits rand of animal formsExchange in Simple Organisms1Singlecelled organismsaExchange material by diffusionbEntire plasma membrane is exposed to medium2Multicellular organisms with a sac body planaBody wall is only 2 celllayers thickbExchange is by diffusionFigure 403Exchange in Complex Animals1Large complex animals have highly folded or branched internal surfaces specialized for exchanging materials2This increases surface areaFigure 404Clicker Question the organization of the animal body involves a hierarchy of structures The correct order of this hierarchy from least to most complex isCells tissues organs organ systemsEpithelial Tissue
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