Classification Notes ercgwilliams-06 1. Learning Objective I can classify objects in appropriate groups and explain the logic behind my choices.

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Presentation transcript:

Classification Notes ercgwilliams-06 1

Learning Objective I can classify objects in appropriate groups and explain the logic behind my choices.

Buttons! 1. Your table will be given a collection of buttons to classify. 2. On lined/scratch paper, create a Tree Map to classify your categories. Include labels describing the categories you created for your buttons. 3. Once finished, repeat Step 2 with totally different categories. Make at least 3 different Tree Maps.

Taxonomy In the 1700s, Carolus Linnaeus developed modern taxonomy Taxonomy: the science of classifying, describing, and naming organisms. The system used today is still based on Linnaeus’ work

Why do scientists classify organisms? To define the characteristics of species To determine when characteristics evolved To understand relationships between species

Do Kings Play Chess On Funny Green Squares ercgwilliams-06 6 Domain Kingdom Phylum Class Order Family Genus Species

Classification As you go down the levels, the number of organisms in the taxa gets smaller

Classification: Cat Domain Kingdom Phylum Class Order Family Genus Species Eukarya Animalia Chordata Mammalia Carnivora Felidae Felis catus

Single Celled Prokaryotes (cell lacks a nucleus) Extreme conditions Ancient DNA Domain Archaea

Domain Bacteria Single celled Prokaryotes (cells lack a nucleus) Can live in your body, soil or water

Single or multicellular Eukaryotes (have a nucleus and membrane bound organelles) Four Kingdoms: Domain Eukarya 1. Animalia 2. Plantae 3. Fungi 4. Protista

Binomial nomenclature: a system of naming species of living things by giving them each a name made up of two parts Scientific Name Name is always in Latin form Examples: Canus lupus, Pan troglodytes, Rosa centifolia Standardizing a scientific name prevents confusion across different languages.

The scientific name is always the organism’s genus and species. The Genus is Capitalized The species is not Written in italics Examples Homo sapiens (human) Felis catus (domestic cat) Canis familaris (domestic dog)

14 Domain: Eukarya Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Class: Mammalia Subclass: Theria Infraclass: Eutheria Order: Primates Suborder: Anthropoidea Superfamily: Hominoidea Family: Hominidae Genus: Homo Species: sapiens Classification on Modern Humans