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10 Cards in this Set

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Most protists are not unicellular, T or F?
F, Single-celled are considered teh simplest eukaryotes but at the cellular level, many protists are very complex.
Combine photosynthesis and heterotrophic nutrition.
Divese clade that includes predatory, phosynthetic autotrophs and parasites. Main morphilogical feature is presence of spiral crystalline rode of unknown function inside flagella.
What are two groups of Euglenozoans and individual features?
Kinetoplastids- single, large mitochondrian with an organized mass of DNA, kinetoplast, Sleeping sickness. Chagas' disease.

2. Euglinds. Many are mixotrophs. Engulf prey by phagocytosis.
Large, varied group named for cilia used to move and feed. Distinctive feature- presence of two types of nuclei: tiny micronuclei and large macronuclei. Reproduce asexually by binary fission and have conjugation.
Unicellular algae that have a unique glass-like wall made of hydrated silica embedded in organic matrix. To parts that overlap like a shoe box and its lid. Most reproduce asexually through mitosis. Estimated 100, 000 living species. Store energy in laminarin (glucose polymer)
Golden Algae
Result from yellow and brown carotenoids. Biflagelletated. Most components of freshwater and marine planktown.
Brown Algae-
Largest and most complex algae. All are multicellular; and most are marine. Live in cooler water. Have thallus, algal body that is plantlike. Some have floates that keep blades near the water surface. Part of brown algae used to thicken many processed foods , including pudding, ice crease, or salad dressing. Has an alternation of generations. Heteromorphic - Sporophytes and gametophytes are structurally different.
Red Algae
One of closest relatives of land plants. Red because of accessory pigement called phyoerythrin. Most abundant in warm waters. Color varies depending on depth in ocean. Most are multicellular
Greed Algae
Ultra-structure and pigment composition much like chloroplasts of land plants. 2 groups Chrorophytes and charophytes.

Chlorophytes- Larger size and greater complexity. Formed by colonies like volvox, formation of true multicellular bodies by dell div and differentiation. Repeated division of nuclei with no cytoplasmic division. Complex life cycles with sexual and asexual reproductive stages. Biflagellated gametes and cup-shaped chloroplasts.