TAXONOMY & CLASSIFICATION. SCIENTIFIC NAMES Taxonomy is the science of classifying organisms and assigning each an official name Early methods described.

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Presentation transcript:

TAXONOMY & CLASSIFICATION

SCIENTIFIC NAMES Taxonomy is the science of classifying organisms and assigning each an official name Early methods described physical characteristics in great detail Post Oak Tree - “Oak with deeply divided leaves that have no hairs on the undersides and no teeth around their leaf edges”

Our current classification system is based on the work of Carl Linneaus. Binomial Nomenclature- a two word naming system using the genus and species names (Post Oak - Quercus stellata)

LINNAEUS’S SYSTEM (7 LEVELS) Kingdom Phylum Class Order Family Genus species Big Small

HOW TO REMEMBER? Kingdom Phylum Class Order Family Genus Species King Pedro Cut Open Five Green Snakes Katy Perry Can Order Fresh Garden Salsa Killer Piranhas Can Often Find Good Sushi

Grizzly bearBlack bearGiant panda Red foxAbert squirrel Coral snake Sea star KINGDOM Animalia PHYLUM Chordata CLASS Mammalia ORDER Carnivora FAMILY Ursidae GENUS Ursus SPECIES arctos

Psychrolutes marcidus Mitsukurina owstoni When written the genus is always capitalized and the species is not.

WHY DOES IT HELP? CC - Taxonomy Taxonomy & Systematics

CLADOGRAMS Used derived characteristics to show evolutionary relationships among a group of organisms CLASSIFICATION BASED ON VISIBLE SIMILARITIES CLADOGRAM Appendages Conical Shells CrabBarnacleLimpetCrabBarnacleLimpet CrustaceansGastropod Molted exoskeleton Segmentation Tiny free-swimming larva

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