C l a s s i f i c a t i o n

Classification

How Would You Classify These Items?

Carolus Linnaeus

• Binomial Nomenclature: “a two-name system”

• First part of name: genus first letter always capitalized

• Second part of name: species first letter always lowercase

• Entire name is underlined or italicized

• Names must be submitted for acceptance by original discoverer, and are generally Latin or Latinized

Ursus americanus

American Black Bear

Canis domesticus

Canis lupus

Domain Archaea

Domain Eubacteria

Domain Eukarya

Kingdom Protista

Amoeba Paramecium Giardia

Water Mold Slime Mold

Euglena DinoflagellatesDiatomBrown AlgaeGreen Algae

Kingdom Fungi

Kingdom Plantae

Bryophyte (Moss)

Pteridophyte(Fern)

Pteridophyte(Fern)

Coniferophytes (Pine Trees) Angiosperm;

DicotAngiosperm;

Monocot

Kingdom: Animalia

Human Classification

Domain: EukaryaKingdom: AnimaliaPhylum: ChordataClass: MammaliaOrder: PrimatesFamily: HominidaeGenus: HomoSpecies: Sapien

Dichotomous Keys

1a. Organism has 4 legs Go to # 2

1b. Organism has more than 4 legs Go to # 20

2a. Organism has a tail Go to # 3

2b. Organism has no tail Go to # 35

3a. Organism has stripes Bengal Tiger

3b. Organism has no stripes African Lion

Dichotomous Key• Try this one:

1a. Organism walks on all 4 legs (quadruped) 2

1b. Organism walks on 2 legs (biped) 8

2a. Organism has visible fur 3

2b. Organism has no visible fur 20

3a. Organism lives in warm climates 7

3b. Organism lives in cold climates 4

4a. Organism has brown or black fur Ursus americanus

4b. Organism has white fur Ursus maritimus

Louisiana Pancake Batfish - 2010

Goliath Bird-Eating Spider - 2006

Lesula - 2007

Pinnochio Frog - 2010