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Life Science
Ch 9 Classification
10
Science
7th Grade
11/12/2010

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Term
Animalia
Definition
a kingdom made up of complex, multicellular organisms that lack cell walls, can usually move around, and quickly respond to their environment
Term
Archea
Definition
prokaryotes (most of which are known to live in extreme environments) that are distinguished from other prokaryotes by differences in their genetics and in the makeup of their cell wall
Term
Bacteria
Definition
extremely small, single-celled organisms that usually have a cell wall and that usually reproduce by cell division
Term
classification
Definition
the division of organisms into groups, or classes, based on specific characteristics
Term
dichotomous key
Definition
an aid that is used to identify organisms and that consists of the answers to a series of questions
Term
Eukarya
Definition
in a modern taxonomic system, a domain made up of all eukaryotes; this domain aligns with the traditional kingdoms Protista, Fungi, Plantae, and Animalia
Term
Fungi
Definition
a kingdom made up of complex, multicellular organisms that lack cell walls, can usually move around, and quickly respond to their environment
Term
Plantae
Definition
a kingdom made up of complex, multicellular organisms that are usually green, have cell walls made of cellulose, cannot move around, and use the sun's energy to make sugar by photosynthesis
Term
Protista
Definition
a kingdom of mostly one celled eukaryotic organisms that are different from plants, animals, bacteria, and fungi
Term
taxonomy
Definition
the science of describing, naming and classifying organisms
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