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Unit 11 science
Question | Answer |
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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 activities of the cell |
eukayotic | 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 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 rank of grouping organisms.Three groups: Archaea, bacteria,and Eukarya |
bacteria | prokaryotic, single-celled organism that lacks a nuclues in it's cells |
archaea | prokaryotic single celled organism that lacks a nucleus in its cell and can live in extreme environments |
eukarya | organism with cells that contain a nucleus |
kingdom | a taxonomic rank below Domain 6 groups: Animalia,Fungi,Plantea,Protistia,Archaea,and Eubacteria |
autotroph | an organism that is able to make it's own food;known as a producer in the food chain |
heterotroph | an organism that CANNOT make it's 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 reproduction that requires both male and female 50% from 1 parent 50% from 1 parent |
cell theory | states that all living organisms are made up of 1 or more cells;cells are the basic unit of life and all cells come from other cells |
archeabacteria | unicellular,asexual,auto,and heterotroph,prokaryotic,organism |