Taxonomy Classification of Organisms. What is Taxonomy? Taxonomy organizes organisms into groups. Taxonomy organizes organisms into groups. Species that.

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Presentation transcript:

Taxonomy Classification of Organisms

What is Taxonomy? Taxonomy organizes organisms into groups. Taxonomy organizes organisms into groups. Species that are closely related (like dogs and wolves) are grouped closer together then those that are not (like dogs and humans) Species that are closely related (like dogs and wolves) are grouped closer together then those that are not (like dogs and humans) Scientists use Taxonomy to identify and name species. Scientists use Taxonomy to identify and name species.

Taxonomic Rank Each organism is grouped into levels. Each organism is grouped into levels. All the organisms in the group will have something in common (such as a backbone, or scales) All the organisms in the group will have something in common (such as a backbone, or scales) Organisms in a Species have more in common with each other then organisms in a domain Organisms in a Species have more in common with each other then organisms in a domain Ranks from most general to most specific: Ranks from most general to most specific: Domain (Group has Less in common.) Kingdom Phylum Class Order Family Genus Species (Group has more in common)

What are some ways these animals are similar? Different?

Similar? Different?

Order Carnivora

Family Canidae

Genus Canis

Species: Canis Familiarus

Binomial Nomenclature Each species assigned a 2 part scientific name Genus: a group of closely related species Second part is unique to a species Common Name GenusSpecies WolfCanislupus DogCanisfamiliaris HumanHomosapiens Hobbit man Homofloresiensis

Species are Grouped by Common Traits and ancestry (past relation)

Webs also used to study taxonomic relationships. Which species are more closely related? Which species are more closely related? snakes & crocodiles | snakes & frogs snakes & crocodiles | snakes & frogs rats & cats | cats & dogs rats & cats | cats & dogs insects & lobsters | insects & birds insects & lobsters | insects & birds lions & tigers | lions & cougars lions & tigers | lions & cougars foxes & rats | foxes & dogs foxes & rats | foxes & dogs cats & dogs | cats & lions cats & dogs | cats & lions

Classification Organisms can be classified into any of the 6 Kingdoms: Organisms can be classified into any of the 6 Kingdoms: Eubacteria Eubacteria Archaebacteria Archaebacteria Protista Protista Fungi Fungi Plantae Plantae Animalia Animalia

Eubacteria Bacteria; unicellular (one celled) prokaryotes Bacteria; unicellular (one celled) prokaryotes

Archaebacteria EXTREME Bacteria; unicellular (one celled) prokaryotes EXTREME Bacteria; unicellular (one celled) prokaryotes Live in there. EXTREME!

Protista Slime molds, algae, & amoebas. Unicellular (or sometimes multicellular) Eukaryotes Slime molds, algae, & amoebas. Unicellular (or sometimes multicellular) Eukaryotes

Fungi Mushrooms, molds, & yeasts; multicellular eukaryotes Mushrooms, molds, & yeasts; multicellular eukaryotes

Plantae Plants (duh); multicellular eukaryotes Plants (duh); multicellular eukaryotes

Animalia Animals; multicellular eukaryotes Animals; multicellular eukaryotes

Dichotomous Key A key scientists use to classify & name an organism A key scientists use to classify & name an organism The key is a series of questions that ask about an organisms traits. The key is a series of questions that ask about an organisms traits. Following this key can help you identify the species. Following this key can help you identify the species.

Classify the Following 1. Has pointed ears go to 3 1. Has pointed ears go to 3 Has rounded ears go to 2 Has rounded ears go to 2 2. Has no tail Kentuckyus 2. Has no tail Kentuckyus Has tail Dakotus Has tail Dakotus 3. Ears point upward go to 5 3. Ears point upward go to 5 Ears point downward go to 4 Ears point downward go to 4 4. Engages in waving behavior Dallus 4. Engages in waving behavior Dallus Has hairy tufts on ears Californius Has hairy tufts on ears Californius 5. Engages in waving behavior WalaWala 5. Engages in waving behavior WalaWala Does not engage in waving behavior go to 6 Does not engage in waving behavior go to 6 6. Has hair on head Beverlus 6. Has hair on head Beverlus Has no hair on head (may have ear tufts) go to 7 Has no hair on head (may have ear tufts) go to 7 7. Has a tail Yorkio 7. Has a tail Yorkio Has no tail, aggressive Rajus Has no tail, aggressive Rajus 1 2 Kentuckyus Rajus

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