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chapter 9 vocab
Chapter 9 vovabulary 7th grade Mr. G
10
Science
7th Grade
02/11/2011

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Term
classification
Definition
the division of organisms into groups, or classes based on specific characteristics
Term
taxonomy
Definition
the science of describing, naming, and classifying organisms
Term
dichotomous key
Definition
an aid that is used to identify organisms and that consists of the answers to a series of questions
Term
archaea
Definition
in a modern taxonomic system, a domain made up of prokaryotes (most of which are known to live in extreme enviroments) that are distinguished from other prokaryotes by differences in their genetics and in the makeup of their cell wall; this domain aligns with the traditional kingdom Achaebacteria
Term
Bacteria
Definition
in a modern taxonomic system, a domain made up of prokaryotes that usually have a cell wall and that usually reproduce by cell division; this domain aligns with the traditional kingdom Eubacteria
Term
Eukarya
Definition
in a modern taxonomic system, a domain made up of all eukaryotes; this domain made up of all eukaryotes; this domain aligns with the traditional Protista, Fungi, Plantae, and Animalia
Term
Protista
Definition
a kingdom of mostly one-celled eukaryotic organisms that are differernt from plants, animals, bacteria, and fungi
Term
Fungi
Definition
a kingdom made up of nongreen, eukaryotic organisms that have no means of movement, reproduce by using spores and get food by breaking down substances in their surroundings and absorbing nutrients
Term
Plantae
Definition
a kingdom made up of complex, multicellular organisms that are usually green, have cell walls made of cellulose, cannt move around, and use the sun's energy to make sugar by photosynthesis
Term
Animalia
Definition
a kingdom made up of complex, multicellular organisms that lack cell walls, can usually move around, and quickly respond to their enviroment
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