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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 |