CLASSIFICATION What is Classification classification putting things into

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CLASSIFICATION

CLASSIFICATION

What is Classification? • classification - putting things into orderly groups based on similar

What is Classification? • classification - putting things into orderly groups based on similar physical characteristics • taxonomy - the science of naming and classifying living things

The History of Classification • Aristotle (B. C. ) • the first to classify

The History of Classification • Aristotle (B. C. ) • the first to classify organisms • classified ALL organisms as either plant or animal • Grouped by physical characteristics: Example: hair or no hair

The History of Classification • Carolus Linnaeus (1700 s) • “Father of Taxonomy” •

The History of Classification • Carolus Linnaeus (1700 s) • “Father of Taxonomy” • Created a system of naming and grouping organisms based on similarities in structure • Based names on Latin

The History of Classification Scientific Names Linnaeus ALSO gave us…. . Binomial nomenclature: •

The History of Classification Scientific Names Linnaeus ALSO gave us…. . Binomial nomenclature: • TWO word names • Based on Latin and Greek • First word is capitalized; second word is not • Both words should be underlined or italicized Example: Felis domesticus

Modern Classification • Today, scientists use a system similar to Linnaeus’s system with 8

Modern Classification • Today, scientists use a system similar to Linnaeus’s system with 8 levels of classification based on common characteristics Levels Acronym Example (Humans) Domain Kingdom Phylum Class Order Family Genus Species dancing kangaroos prefer candy over fancy green spaghetti Eukarya Animalia Chordata Mammalia Primate Hominididae Homo sapiens Scientific name: Homo sapiens (Genus + species)

largest, least similar group smallest, most similar group

largest, least similar group smallest, most similar group

Modern Classification • Based on evolutionary history: where did it come from and how

Modern Classification • Based on evolutionary history: where did it come from and how has it changed over time? • Scientists look at – Similarities in structures (Does it have skin or scales or fur or feathers? ) – Similarities in hereditary information (DNA) – Similarities in development (Does this insect have a caterpillar stage like a butterfly? )

MODERN CLASSIFICATION • every organism to the RIGHT of the characteristic has that characteristic

MODERN CLASSIFICATION • every organism to the RIGHT of the characteristic has that characteristic • every organism to the LEFT of the characteristic DOES NOT have the characteristic • Organisms that share more characteristics are more closely related Ability to purr Retractable claws Give birth to live young Hair and mammary glands

MODERN CLASSIFICATION

MODERN CLASSIFICATION

MODERN CLASSIFICATION: Plants

MODERN CLASSIFICATION: Plants

THE END!!!

THE END!!!

Living Things Classification Vocabulary Classification putting things inLiving Things Classification Vocabulary Classification putting things in
Classification Definition of Classification Putting things into orderlyClassification Definition of Classification Putting things into orderly
Classifying Organisms Classification putting things into groups basedClassifying Organisms Classification putting things into groups based
Classification of Living Things CLASSIFICATION CLASSES Classification CLASSIFICATIONClassification of Living Things CLASSIFICATION CLASSES Classification CLASSIFICATION
Classification of Living Things n Classification is puttingClassification of Living Things n Classification is putting
Classification Sorting It All Out Classification Putting thingsClassification Sorting It All Out Classification Putting things
HABIT 3 Putting first things first Putting FirstHABIT 3 Putting first things first Putting First
Classification n Classification is putting organisms into groupsClassification n Classification is putting organisms into groups
Classification Notes Classification Putting organisms into groups basedClassification Notes Classification Putting organisms into groups based
Putting the Human into HR Putting the HumanPutting the Human into HR Putting the Human
CLASSIFICATION Organizing Lifes Diversity Classification Classification putting objectsCLASSIFICATION Organizing Lifes Diversity Classification Classification putting objects
Classification of Living Things Classification of Living ThingsClassification of Living Things Classification of Living Things
Putting Last Things First Last Things Eschatology comesPutting Last Things First Last Things Eschatology comes