Module #3 Flashcards
(23 cards)
pseudopod
a temporary foot like extension of a cell used fro locomotion or engulfing food
nucleus
the region of a eukaryotic cell that contains the cells main DNA
vacuole
a membrane bounded sac within a cell
ectoplasm
the thin watery cytoplasm near the plasma membrane of some cells
endoplasm
the dense cytoplasm found in the interior of many cells
flagellate
a protozoan that propels itself with a flagellum
pellicle
a firm flexible coating outside the plasma membrane
chloroplast
an org containing chlorophyll for photosynthesis
chlorophyll
a pigment necessary for photosynthesis
eyespot
a light sensitive region in certain protozoa
symbiosis
a close relationship between two or more species where at least one benefits
mutualism
a relationship between two or more org of different species where all benefit from the association
commensalism
a relationship between two org or different species where one benefits and the other is neither harmed nor benefited
parasitism
a relationship between two org or different species where one benefits and the other is harmed
cilia
hairlike projections that extend from the plasma membrane and are used for locomotion
spore
a reproductive cell with a hard protective coating
plankton
tiny org that float in the water
zooplankton
tiny floating org that are either small animals or protozoa
phytoplankton
tiny floating photosynthetic org primarily algae
thallus
the body of a plant like org that is not divided into leaves roots or stems
cellulose
a substance (made of sugars) that is common in the cell walls of many org
holdfast
a special structure used by an org to anchor itself
sessile colony
a colony that uses hold fasts to anchor itself to an object.
