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16 Cards in this Set
- Front
- Back
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pseudopods
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"false feet" of the AMOEBAS; extensions of the cytoplasm created by cytoplasmic streaming
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foraminiferans
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secrete calcium carbonate
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cilia
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hair-like structures used by some protists for movement>>CILIATES
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flagella
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whip-like tail used by EUGLENA for movement
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frustule
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glass cell case of a DIATOM
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alternation of generations
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process in which many algae switch back and forth between haploid and diploid stages of their life cycles, i.e. asexual>sexual
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triploblasty
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system of 3 cell layers; signifies complexity
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coelom
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fluid-filled body cavity lined with mesoderm
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osculum
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the mouth like opening in a sponge, used to expel H20
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choanocytes
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COLLAR CELLS=flagellated cells that line the body cavity of a sponge
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spicules
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a small needle like structure, such as one of the cilicate or calcium carbonate processes, supporting the soft tissue of some invertebrates>>limestone, glass & spongin
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amebocytes
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specialized cells that move around in a cell...STEM cells can become any NEEDED cell
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spongin
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squishy flexible protein fiber
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radial symmetry
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body plan in which body parts repeat around the center of the body; characteristics of sea anemones and sea stars
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polyp
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usually sessile stage of a cnidarian that has a cylindrical body with arm like tentacles
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medusa
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capable of movement stage of the life cycle of a cnidarian that has a bell shaped body
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