Chapter 28 Key Terms 1

Chapter 28 Key Terms 1 - archaeplastida-...

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Chapter 28 Key Terms alternation of generations - A life cycle in which there is both a multicellular diploid form, the sporophyte, and a multicellular haploid form, the gametophyte; characteristic of plants and some algae. alveolate - (al-ve'-uh-let) A protist with membrane-bounded sacs (alveoli) located just under the plasma membrane. amoeba - (uh-me´-buh) A protist grade characterized by the presence of pseudopodia. amoebozoan - (uh-me'-buh-zo'-an) A protist in a clade that includes many species with lobe- or tube-shaped pseudopodia. apicomplexan - (ap´-e-kom-pleks´-un) A protist in a clade that includes many species that parasitize animals. Some apicomplexans cause human disease.
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Unformatted text preview: archaeplastida- (ar'-ke-plas'-tid-uh) One of five supergroups of eukaryotes proposed in a current hypothesis of the evolutionary history of eukaryotes. This monophyletic group, which includes red algae, green alage, and land plants, descended from an ancient protist ancestor that engulfed a cyanobacterium. See also Excavata, Chromalveolata, Rhizaria, and Unikonta. blade- (1) A leaflike structure of a seaweed that provides most of the surface area for photosynthesis. (2) The flattened portion of a typical leaf. brown algae- A multicellular, photosynthetic protist with a characteristic brown or olive color that results from carotenoids in its plastids. Most brown algae are marine,...
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This note was uploaded on 04/28/2011 for the course BIO V23.0012 taught by Professor Borowsky during the Spring '10 term at NYU.

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