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Classification
Classification and the six kingdoms
38
Biology
9th Grade
02/03/2010

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Term
multicellular
Definition
organism made of many cells
Term
unicellular
Definition
organism made of one cell
Term
monera
Definition
another name for eubacteria, bacteria with cell walls
Term
eubacteria
Definition
bacteria with cell walls
Term
archaebacteria
Definition
an ancient form of bacteria often found in extreme environments
Term
protist
Definition
unicellular eukaryote such as a paramecium, euglena, and amoeba
Term
Protozoa
Definition
a phylum within the kingdom Protista
Term
paramecium
Definition
a shoe-shaped protist covered in cilia
Term
euglena
Definition
a protist with chloroplasts and a single flagellum
Term
amoeba
Definition
a protist that moves using pseudopod extensions
Term
cilia
Definition
microscopic hair-like extensions on the outside of cells that can move back and forth
Term
flagellum
Definition
a whip-like tail used for locomotion
Term
pseudopod
Definition
cellular extension that stretches the membrane of a cell in order to move
Term
fungi
Definition
eukaryotic decomposer
Term
plant
Definition
multicellular eukaryotic producer
Term
animal
Definition
multicellular eukaryotic consumer
Term
prokaryote
Definition
cell lacking a membrane-bound nucleus or organelles, unicellular bacteria
Term
eukaryote
Definition
cell or organism with a membrane-bound nucleus and organelles
Term
organelle
Definition
membrane bound structures inside of eukaryotic cells
Term
classification
Definition
grouping related species into categories
Term
binomial nomenclature
Definition
the formal method of naming species (Genus species)
Term
domain
Definition
The three major groups of organisms (Eukaryota, Archaea, Bacteria)
Term
kingdom
Definition
Taxonomic rank after domain (Animalia, Plantae, Fungi, Protista, Eubacteria, Archaea)
Term
phylum
Definition
Taxonomic rank after kingdom and before class (ex: Chordata)
Term
class
Definition
Taxonomic rank after phylum and before order (ex: Mammalia)
Term
order
Definition
Taxonomic rank after class before family (ex: Primates)
Term
family
Definition
Taxonomic rank after order before genus (ex: Hominidae)
Term
genus
Definition
Taxonomic rank after family before species (ex: Homo)
Term
species
Definition
The smallest taxonomic rank (ex: Homo sapiens). A group of organisms that can interbreed and produce fertile offspring.
Term
autotroph
Definition
organism that makes its own food
Term
heterotroph
Definition
organism that eats other organisms for energy
Term
decomposer
Definition
organism that breaks down matter for energy
Term
motile
Definition
able to move
Term
sexual reproduction
Definition
production of new organisms by fusing two gametes together
Term
asexual reproduction
Definition
production of new organisms by replicating, no gametes involved
Term
aquatic
Definition
living in or on water
Term
terrestrial
Definition
living in or on land
Term
dichotomous key
Definition
forks into two branches, such as in an identification guide
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