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20 Cards in this Set

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flagellate
a protozoan that propels itself with a flagellum.
endoplasm
the dense cytoplasm found in the interior of many cells.
ectoplasm
thin, watery cytoplasm near the plasma membrane of some cells.
vacuole
a membrane bound "sac" within a cell.
nucleus
the region of a eukaryotic cell which contains the DNA.
psuedopod
a temporary foot-like extension of a cell, used for locomotion or engulfing food.
pellicle
a fifrm, flexible coating outside the plasma membrane.
chloroplast
an organelle containing chlorophyll for photosynthesis.
chlorophyll
a pigment necessary for photosynthesis.
eyespot
a light-sensitive region in certain protozoa.
symbiosis
two or more organisms of different species living together so that each benefits from the other.
cilia
numerous short extensions of the plasma membrane used for locomotion.
spore
a reproductive cell with a hard, protective coating.
plankton
tiny organisms that float in the water.
zooplankton
tiny floating organisms that are either small animals or protozoa.
phytoplankton
tiny floating photosynthetic organisms, primarily algae.
thallus
the body of a plant-like organism that is not divided into leaves, roots and stems.
cellulose
a substance made of sugars. it is common in the cell walls of many organisms.
holdfast
a special structure used by an organism to anchor itself.
sessile colony
a colony that uses holdfasts to anchor itself to an object.