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Bio ch 32 terms.docx 5

Bio ch 32 terms.docx 5 - (lof´-uh-for In some...

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Grade A group of organisms that share the same level of organizational complexity or share a key adaptation. Heterotroph (het´-er-o-trof) An organism that obtains organic food molecules by eating other organisms or substances derived from them. Larva (lar´-vuh) (plural, larvae) A free-living, sexually immature form in some animal life cycles that may differ from the adult animal in morphology, nutrition, and habitat. Lophophore
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Unformatted text preview: (lof´-uh-for) In some lophotrochozoan animals, including brachiopods, a crown of ciliated tentacles that surround the mouth and function in feeding. Lophotrochozoan Member of a group of animal phyla identified as a clade by molecular evidence. Lophotrochozoans include organisms that have lophophores or trochophore larvae. Mesoderm (mez´-o-derm) The middle primary germ layer in an animal embryo; develops into the notochord,...
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