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Apologia Bio Mod 3

Definitions for Apologia Biology - Module #3 (2nd Edition)

TermDefinition
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
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 organelle 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 organisms of different species where all benefit from the association
commensalism a relationship between two organisms of different species where one benefits and the the other is neither harmed nor benefited
parasitism a relationship between two organisms of 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
zooplankton tiny floating organisms that are either small animals or protozoa
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: SweetPeaMcD
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