Biological Classification or TaxonomyTaken from the Greek (τάξις) - taxis meaning "order" or "arrangement" and (νόμος) - nomos meaning "law" or "science"

Carl Linnaeus is the Father of Modern Biological ClassificationHe grouped organisms according to similar physical characteristics


The genus and species together are known as the Scientific NameKingdom through genus has the first letter of the organism name capitalized/ the species name is not capitalizedThe genus and species names are italicized
Example: Homo sapian



Nucleusthe control center of a cell, which contains the cell's chromosomal DNA
Cellthe basic organizational unit of all living organisms
Organellea specialized subunit within a cell that has a specific function- like a tiny organ
Unicellularone celled microorganism
Multicellularmany celled microorganism/ organism
Colonya group of cells

a organisms that lack a nucleus or membrane bound organelles
Eukaryote a organisms that have a nucleus and membrane bound organelles
Heterotrophan organism that gets its energy from eating other organic organisms
Autotrophan organism that gets its energy from absorbing inorganic molecules such as sunlight
Saprophyteliving off the dead
Sexual Reproductionreproduction involving two organisms
Asexual Reproductionreproduction involving just the one organisms
Gametea sperm or egg, required for fertilization