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Protists Review

TermDefinition
Excavata diplomonads, parabasalids, euglenozoans
Rhizaria spiky protists, include cercozoa, radiolarians and foraminiferans, abundant in oceans
Alveolata A clade of protists consisting of Dinoflagellates, Apicomplexans, and Ciliates, defined by the presence of small vesicles called alveoli.
Stramenopila diatoms, brown algae, and oomycetes
Archaeplastida One of the five supergroups of eukaryotes. It includes red algae, green algae, and land plants, descended from an ancient protist ancestor that engulfed a cyanobacterium.
Amoebazoa Supergroup of eukaryotes that contains amoeba and slimemolds
Opisthokonts Supergroup of eukaryotes that includes fungi, animals, and choanoflagellates
Protist A eukaryotic organism that cannot be classified as an animal, plant, or fungus.
Red tides are caused by dinoflagellates
Choanoflagellates a group of free-living unicellular and colonial flagellate eukaryotes considered to be the closest living relatives of the animals.
Charophytes green algae that are the closest relatives of land plants
Rhodophyta red algae
endosymbiont theory The theory that mitochondria and chloroplasts, originated as prokaryotic cells engulfed by an ancestral eukaryotic cell. The engulfed cell and its host cell then evolved into a single organism.
secondary endosymbiosis a process in eukaryotic evolution in which a eukaryotic cell engulfed a photosynthetic eukaryotic cell which survived in a symbiotic relationship
Apicomplexans A type of parasitic protozoan. Some apicomplexan cause serious human disease (malaria is caused by the apicomplexan plasmodium0
Ciliates A group of protozoans that move by waving tiny, hair-like organelles called cilia (example is paramecium)
Oomycetes "water mold"
Euglenozoa subgroup of excavata consisting of euglenoids and kinetoplastids
Kinetoplastids A protist, such as a trypanosome, that has a single large mitochondrion that houses an organized mass of DNA. mostly parasitic species
Foraminifera Marine protozoans that have variably shaped shells with small holes for needle-like pseudopodia
Created by: 444ali
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