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Vocab Sec. 3 and 4
N/A
18
Science
8th Grade
09/17/2011

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Cards

Term
Classification
Definition
the process of grouping things based on the similarities
Term
Taxonomy
Definition
the scientific study of how living things are classified
Term
Binomial Nomenclature
Definition
each organisms given a two part name
Term
Genus
Definition
classification grouping that contains similar, closely related organisms
Term
Species
Definition
a group of similar organisms that can mate and produce fertile offspring nature
Term
Taxonomic Key
Definition
a series of paired statements that describe the physical characteristics of different organisms
Term
Evolution
Definition
the process by which species gradually change overtime
Term
Prokaryotes
Definition
organisms whose cells lack nucleus
Term
Nucleus
Definition
a dense area in a cell that contains nucleic acids
Term
Eukaryotes
Definition
organisms with cells that contain nuclei
Term
Cell
Definition
a basic unit of a structure and function in an organism
Term
Unicellular
Definition
single-celled (one)
Term
Multicellular
Definition
composed of many celled organisms (more than one)
Term
Development
Definition
the process of change that occurs during an organisms life to produce a more complex organism
Term
Stimulus
Definition
stimuli organism to react is called a stimulus
Term
Autotrophs
Definition
use the food they make
Term
Heterotrophs
Definition
organisms that cannot make their own food
Term
Fossils
Definition
traces of organisms that have been preserved in rock
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