Chapter 28 Key Terms 3

Chapter 28 Key Terms 3 - hardened shell containing calcium...

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euglenid - (yu'-glen-id) A protist, such as Euglena or its relatives, characterized by an anterior pocket from which one or two flagella emerge. euglenozoan - Member of a diverse clade of flagellated protists that includes predatory heterotrophs, photosynthetic autotrophs, and pathogenic parasites. excavata - One of five supergroups of eukaryotes proposed in a current hypothesis of the evolutionary history of eukaryotes. Excavates have unique cytoskeletal features, and some species have an “excavated” feeding groove on one side of the cell body. See also Chromalveolata, Rhizaria, Archaeplastida, and Unikonta. foraminiferan (foram) - An aquatic protist that secretes a
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Unformatted text preview: hardened shell containing calcium carbonate and extends pseudopodia through pores in the shell. golden alga- A biflagellated, photosynthetic protist named for its color, which results from its yellow and brown carotenoids. heteromorphic- (het´-er-o-mor´-fik) Referring to a condition in the life cycle of plants and certain algae in which the sporophyte and gametophyte generations differ in morphology. holdfast- A rootlike structure that anchors a seaweed. isomorphic- Referring to alternating generations in plants and certain algae in which the sporophytes and gametophytes look alike, although they differ in chromosome number....
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