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Unformatted text preview: Roundworms-has only longitudinal muscles, symmetrical, no body segmentation Segmented worms-has ringlike markings on its body Arthropods-distinctly jointed appendages Mollusks-distinct head and muscular foot Echinoderms-our closest invertebrate relatives, are pentaradially symmetrical Chordates-have a cartilaginous skeletal support system Plants: Non-vascular (mosses)-Vascular: Ferns-Gymnosperms-Flowering plants-Seeds, their germination and dispersal Primary metabolites-Secondary metabolites-Allelopathy-...
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- Spring '08