07 Test Modules 3-4 Flashcards
(37 cards)
A temporary, foot-like extension of a cell, used for locomotion or engulfing food
Pseudopod
The region of a eukaryotic cell that contains the cell’s main DNA
Nucleus
A membrane-bounded “sac” within a cell
Vacuole
The thin, watery cytoplasm near the plasma membrane of some cells
Ectoplasm
The dense cytoplasm found in the interior of many cells
Endoplasm
A protozoan that propels itself with a flagellum
Flagellate
A firm, flexible coating outside the plasma membrane
Pellicle
An organelle containing chlorophyll for photosynthesis
Chloroplast
A pigment necessary for photosynthesis
Chlorophyll
A light-sensitive region in certain protozoa
Eyespot
A close relationship between two or more species where at least one benefits
Symbiosis
A relationship between two or more organisms of different species where all benefit from the association
Mutualism
A relationship between two organisms of different species where one benefits and the other is neither harmed nor benefited
Commensalism
A relationship between two organisms of different species where one benefits and the other is harmed
Parasitism
Hairlike projections that extend from the plasma membrane and are used for locomotion
Cilia
A reproductive cell with a hard, protective coating
Spore
Tiny organisms that float in the water
Plankton
Tiny floating organisms that are either small animals or protozoa
Zooplankton
Tiny floating photosynthetic organisms, primarily algae
Phytoplankton
The body of a plant-like organism that is not divided into leaves, roots, or stems
Thallus
A substance (made of sugars) that is common in the cell walls of many organisms
Cellulose
A special structure used by an organism to anchor itself
Holdfast
A colony that uses holdfasts to anchor itself to an object
Sessile Colony
Digestion that takes place outside of the cell
Extracellular digestion