Term |
Definition |
Cell |
the smallest unit of an organism that performs life functions |
nucleus |
a structure found in eukaryotic cells that contain DNA |
eukaryotic |
a cell containing a membrane- enclosed nucleus and organelles |
prokaryotic |
a cell lacking a nucleus or any other membrane enclosed organellas |
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 organism by there structure function and relationship |
domain |
the highest and largest rank of grouping organisms three groups Archae bacteria and eukarya |
domain bacteria |
prokaryotic, single celled organism that lacks a nucleus in its cells |
domain archaea |
prokaryotic , single celled organism that lacks a nucleus in its cell and can live in extreme environments |
domain eukarya |
organism with cells that contain a nucleus |
kingdom |
a taxonomic rank below domain |
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 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 and 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 |
kingdom archeabacteria |
unicellular, asexual, auto and heterotroph, prokaryotic organism that live in extreme environments |
kingdom eubacteria |
unicellular, asexual, auto and heterotroph, prokayotic organism that live in moderate environments |
kingdom protista |
uni- and multicellular sexual or asexual auto- and heterothopic eukaryotic organism that are microscopic |