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15 Cards in this Set
- Front
- Back
how do algae differ from plants?
3 ways |
algae have no true roots, stems, leaves
-algae lack tissue differentiation -reproductive structures form gametes in single-celled gametangia or gamete chambers |
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unicellular algae-
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single cell; aquatic organisms that compose the photoplankton a population or photosynthetic organsims that form food chain
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colonial algae
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structure: grooves of cells acting in a coordinated manner; move feed and reproduce efficiently
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filamentous algae-
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slender, rod shaped thallus composed of rows of cells joined end to end
grows towards sunlight @ waters surface |
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multicellular algae-
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large, complex thallus. rubbery leaflike potions, stemlike regions & enlarged or air bladders
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What are the 4 things used to classfiy
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-color
-type of chlorophyll -form of food stored substance -wall compostion |
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zoospore-
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flagellated spore that develops within the parental cell
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zygospore-
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protective structure that results when the wall surrounding ta zygote thickens
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antheridium-
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a reproductive structure that produces sperm
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oogonium
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unicellular gametangium that produces eggs
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alternation of generations-
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sex life cycle in plants and algae involving 2 or more phases
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Gametophyte-
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a multicellular sturcturee that produces gametes
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sporophyte-
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one of the diploid generationn of land plants that produce spores
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sporangia-
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a spore bearing sac in plants, algae and fungi
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sporonigia goes through ____ to become haploid
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meoisis
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