| Term | Definition |
|---|---|
| cell | the smallest unit of an organism that performs life functions |
| nucleus | a structure found in eukaryotic cells that contain DNA and is responsible for controlling the activitie |
| Eukaryotic | a cell containing a membrane-enclosed organlles |
| Prokaryotic | a cell lacking a nucleus or any other membrane-enclosed |
| unicellular | an organism made up of one single cell |
| multicellular | an organism made up 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 organisms by their structure, function and relationship |
| Domain | the highest and largest rank of grouping organisms, Three groups:Bacteria,Archaea, Eukarya |
| Bacteria | prokaryotic single-celled organism that lacks a nucleus in its cell |
| Archaea | prokaryotic, single-celled organism that lacks a nucleus in its cell and can live in extreme enviroments |
| Eukarya | organisms with cells that contain a nucleus |
| 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 food chain |
| heterotroph | |
|
asexual reproduction |
|
| sexual reproduction |
