KEY WORDS
cell
the smallest structural and functional unit of an organism
prokaryote
"Before kernel (nucleus)"
unicellular organism who cell lacks a nucleus and other membrane-bound organelles
eukaryote
"True kernel"
unicellular or multicellular organism whose cell(s) have a nucleus and other membrane-bound organelles
organelle
"small organ"
membrane-bound specialized structure in a cell that performs a specific function
endosymbiosis
a mutual beneficial relationship in which one organism lives inside of another organism
spontaneous generation
states that living organisms arise spontaneously under certain conditions from non-living materials