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classification and naming of organisms |
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study of evolutionary history |
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-prokaryotes -unicellular -no membrane bound organelles -asexual |
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-most unicellular -membrane bound organelles -no differentiation of tissues |
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-nonphotosynthetic -heterotrophic -multicellular -differentiated -cell wall of chitin -saprophytes/parasites |
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multicellular, differentiated |
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-parallel veins -scattered vascular bundles -multiples of 3 -woody -1 seed leaf |
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-netted veins -vascular rings in bundles -woody -multiples of 4 or 5 -2 seed leaves |
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-mantle that secretes exoskeleton -clams, snails, squid |
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-jointed appendages, chitin exoskeleton -insects, crustacreans, arachnids |
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-radially symmertric -water vascular system |
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lungs, internal fertilization, eggs |
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monotremes, marsupials, placental |
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lay eggs, secrete milk, no nipples -duckbill platypus, spiny anteater |
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