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unit 11 science
taxonomic groups
| 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 cells |
| Eukaryotic | a cell Continent a membrane- enc losed nucleus and organelles |
| prokaryotic | a cell lacking a nucleus or any other membrane - enclosed organelles |
| unicellular | an organism made up of one single cell |
| multicelluar | 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 organisms by structure function and relationship |
| domain | the highest and largest rank of grouping organisms three groups : Archean, Bacteria, and Eukaraya |
| domain bacteria | porkar yotic, single-cells organism that lucks a nucleus in its cell |
| domain Archean | prokaryotic , single celled organisms that lacks a nucleus in its cell and can live in extreme environment |
| domain Eukarya | organisms with cells that contains nucleus |
| kingdom | a taxonomic rank below domain. 6 groups: animalia, fungi, plantae, protista,archaea, and ebuacteria |
| autothroph | an organisms that is abkle to make its own food; known as a producer in food chain |
| heterotroph | an organism that CANNOT make its own food; knows as a consumer in the food chain |
| asexual reproduction | a method of reproduction that requires only one parent 100% DNA from 1 parent |
| sexual reproduction | a method of reproduction that requires both male and female parent 50% from 1 50% from 1 parent |
| cell theory | states that all living organimsms are make up of 1 or more cells; cells are the basic unit of life and all cells come fro other cells |