Taxonomy Cornell Notes Taxonomy The science of grouping

Taxonomy Cornell Notes

Taxonomy § The science of grouping and naming organisms § Scientists who study taxonomy are called Taxonomists

History of Taxonomy § Classifying organisms was started by a man named Aristotle § His worked was eventually developed by Carolus Linnaeus § Linnaeus used similarities in structure to help classify all living things § Linnaeus came up with a two word naming system called binomial nomenclature

Binomial Nomenclature § The scientific naming system that uses two words to classify all living things § Linnaeus used similarities in structure to determine relationships among organisms § Binomial Nomenclature – Two words Homo Sapiens Genus Specific Epithet

Dichotomous Key § Coded system of identifying different organisms § Used to identify similar organisms § Like a puzzle

Characteristics to consider § § § Size Color Direction Number of legs Etc.

5 Questions § What is taxonomy? § What is the name of the two-word naming system? § Who came up with the two-word naming system? § What is the scientific name of humans? § “Homo” in Homo Sapiens refers to what? (genus or species? )

Now you try! § Work on the dichotomous key to figure out the names of the 6 alien organisms.

Wacky People Key 1 a Two feet 2 1 b Some other number of feet 3 2 a Does not look at all human 4 2 b Looks a lot like a human 5 3 a One leg 6 3 b Three or four legs 7 4 a Fly-like Mosk Cara 4 b Not fly-like 8 5 a Seems to be a girl Rita Nita 5 b Not a girl 9 6 a Leg is curled , two feet Ru-ela. Brella 6 b Leg is straight, one foot Giggles 7 a Three legs 10 7 b Four legs 11 8 a Has webbed feet Hex Oculate 8 b Clawed feet 12 9 a Curly hair, no toes Lugio Wirum 9 b Wiggly looking mouth, three toes on feet C. Nile 10 a Very long nose, open mouth Elle E. Funk 10 b Some other appearance 13 11 a Has duck bill, two pinchers Tri D. Duckt 11 b No arms or pinchers 14 12 a Has ears, tail, and beak Grif Leon 12 b Four eyes on stalks Eggur Ondy 13 a One eye, webbed feet Cue Kide 13 b Four stalked eyes, four pinchers Quadrumenox 14 a Three toed feet, nose like a flower Tunia petalos 14 b Spider-like, has spots Patterned mulywumpus

1 a Two feet 2 1 b Some other number of feet 3

3 a One leg 6 3 b Three or four legs 7

7 a Three legs 10 7 b Four legs 11

11 a Has duck bill, two pinchers Tri D. Duckt 11 b No arms or pinchers 14

14 a Three toed feet, nose like a flower Tunia petalos 14 b Spider-like, has spots Patterned mulywumpus