Classification What is Classification? Classification is the arrangement of organisms into orderly groups based on their similarities.

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Presentation transcript:

Classification

What is Classification? Classification is the arrangement of organisms into orderly groups based on their similarities

Why classify? There are millions of different living things in the world Making sense of all those living things requires classification Classifying living things makes it easier for biologists to answer questions

Levels of Classification Domain Kingdom Phylum (plural: phyla) Class Order Family Genus (plural: genera) Species (contains only one kind of organism)

Kevin Please Come Over For Grape Soda Kingdom – Most General Phylum Class Order Family Genus Species – Most Specific

Taxonomy Carolus Linnaeus was a Swedish physician and botanist who lived in the 1700’s. Linnaeus founded taxonomy taxonomy - the science of identifying, classifying, and naming living things

What is a taxonomist? A taxonomist is a scientist that uses a dichotomous key to classify living organisms

The Six Kingdoms Archaea Bacteria Protista Plantae Fungi Animalia

Binomial nomenclature Two-part scientific name The first part of the name identifies the genus, and the second part identifies the species –Ex. Tyrannosaurus rex –Ex. Elephas maximus (Indian elephant)

Dichotomous key Aid in identifying unknown organisms

Wacky People Key 1a Two feet2 1b Some other number of feet3 2a Does not look at all human4 2b Looks a lot like a human5 3a One leg6 3b Three or four legs7 4a Fly-like Mosk cara 4b Not fly-like8 5a Seems to be a girl Rita nita 5b Not a girl9 6a Leg is curled, two feet Ru-ela brella 6b Leg is straight, one foot Giggles

7a Three legs10 7b Four legs 11 8a Has webbed feet Hex oculate 8b Clawed feet12 9a Curly hair, no toes Lugio wirum 9b Wiggly looking mouth, three toes on feet Cutey nile 10a Very long nose, open mouth Elle funk 10b Some other appearance 13 11a Has duck bill, two pinchers Tri duckt 11b No arms or pinchers 14

12a Has ears, tail, and beak Grif leon 12b Four eyes on stalks Eggur ondy 13a One eye, webbed feet Cue kide 13b Four stalked eyes, four pinchers Quadrumenox 14a Three toed feet, nose like a flower Tunia petalos 14b Spider-like, has spots Patterned mulywumpus

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