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biology, unit 3

vocabulary

QuestionAnswer
pseudopod a temporary, foot-like extension of a cell, used for locomotion or engulfing food
nucleus the region of a eukaryotic cell that contains the cell's main DNA
vacule 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
flagellale a protozoa that propels itself with a flagellum
pellicle a firm, flexible coating outside of the plasma membrane
chloroplast an organelle containing chlorophyll for photosynthesis
chlorophyll a pigment necessary for photosynthesis
eyespot a light-sensitive region in some protozoa
symbiosis a close relationship between two of or more species where at least one benefits
mutualism a relationship between two or or more organisms of different species where all benefit from the association
commensalism a relationship between two organisms of different species where one benefits and the other is neither harmed nor benefited
parasitism a relationship between two organisms of a 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 organisms that float in the water
zoo plankton tiny floating organisms that are either small animals or protizoa
phytoplankton tiny floating photosynthetic organisms, primarily algae
thallus the body of a plant-like organism that is not divided into leaves, roots or stems
cellulose a substance made of sugars that 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
Created by: twixthecat
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