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bsc111 exam 1:ch 28

j.sellers:25,26,27,28,29,30

QuestionAnswer
protists eukaryotic; mostly unicellular; exhibit more structural and functional diversity than any other group
3 categories of nutritional diversity 1. Ingestive – (animal-like) protozoa e.g., amoeba, Paramecium 2. Absorption– (fungal-like) plasmodial and cellular slime molds e.g., Phytophthora infestans 3. Photosynthetic – (plant-like) algae e.g., Spartina, red algae, Volvox
protists cont'd. moist habitats; important compenents of plankton; motile-flagella/cilia/gliding or floating;reproduction is diverse
Excavata-Diplomonads anaerobic environments;two nuclei & multiple flagella; parasitic
Parabaslids h-gas as product, sexually transmitted, feeds on vagina lining,horizontal gene transfer
Euglenzoa autrophic(&some heterotrophic);flagellates; euglenids-
uglenzoa---euglenids/kinetoplastids: characterized by an anterior pocket (or chamber) from which 1 or 2 flagella emerge;kinetoplastids-single-large mitochondrian; bait & switch tactic
Chromalveolata small membrane-bounded cavities (alveoli) under cell surfaces (maybe water and ion regulation?)
Dinoflagellates phytoplankton; forms blooms (red&toxic);1degree output is C(food for reef community)
Ciliates cilia-move and feed; asexual; conjugation
Diatoms glass like walls of silica, glides, FW and M environments,
uglenzoa-trypanosoma eats blood & causes you to be extremely tired and die; tsetse fly
Golden Algae biflagellated;FW or M; unicellular
Brown Algae most M, multicellular; temperate coasts (kelp, seaweeds)
Oomycetes heterotrophic, lack chloroplasts, biflagellated, cell wall made of cellulose (ick-cottony fuzz on dead fish)
Rhizaria attached to rocks or sand in M water,shells made of carbonate, pseduopodia (false feet)
Red Algae multicellular; deep M water; sushi wrap; rtopics
Green Algae FW, M, Damp. Uni, multi, colonial [closely related to land plants] photosynthetic
Unikonta-amoebozans soil, FW or M. heteroptrophic
Plasmodial Slime Molds bright pigments, not multicellular,form plasmodium
Cellular Slime molds multicellular - stay separated by membranes
Created by: dixxfranks
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