2005_campbl32

2005_campbl32 - Are multicellular, chemoheterotrophic,...

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1 Chapter 32: An Introduction to Animal Diversity Animals… ± Are multicellular, chemoheterotrophic, eaters of other orgranisms ± Consume by ingestion (mostly) ± Store energy using Glycogen ± Lack cell walls (as do protozoa) ± Employ collagen as structural protein ± Possess nervous and muscle tissue (mostly) ± Are diploid (mostly) ± Reproduce sexually (mostly) ± Employ motile sperm ± Develop from embryos (as do plants) Defining “Embryo” ± “(botany) a minute rudimentary plant contained within a seed or an archegonium” ± “an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life ” ± “An early stage in the post-fertilization development of an animal or plant egg ” ± “An animal in the early stage of development before birth. In humans, the embryo stage is the first three months following conception ” ± Etc. ± From a “Define: Embryo” google Search
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This note was uploaded on 06/03/2011 for the course BIO 113 taught by Professor Swenson during the Spring '08 term at Ohio State.

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2005_campbl32 - Are multicellular, chemoheterotrophic,...

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