Taxonomy Group

Term Definition
cell the smallest unit of an organism that performs life function
nucleus a structure found in eukaryotic cells that contain DNA and is responsible for controlling the activities of the cell
eukaryotic a cell containing a membrane -enclosed nucleus and organelles
prokaryotic a cell lacking a nucleus or any other membrane enclosed organelles
unicellular an organism made up of one single cell
multicellular an organism made of more than one cell,and often made up of different types of cells
classification the process of grouping things based on similarities
taxonomy the branch of science that formally names and classifies organism by their structure,function and relationship
domain the highest and largest rank of grouping organism Three groups:
Archaea,Bacteria,and Eukarya
domain bacteria prokaryotic,single-celled organism that lacks a nucleus in its cell
domain archaea prokaryotic , single – celled organism that lacks a nucleus in its cell and can live in extreme enviroments
domain eukarya organisms with cells that contain a nucleus
domain kingdom a taxonomic rank below domain 6 groups: animalia , fungi , plantae , protista , archaea , and eubacteria
autotroph an organism that is able to make its own food ; known as a producer in the food chain
heterotroph an organism that cannot make its own food ; known as a consumer in the food chain
asexual a method of reproduction that requires only one parent 100% DNA from 1 parent
sexual a method of reprduction that requires both male and female parent 50% from 1 parent 50% from 1 parent
cell theory states that all living organism are made

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