Scientific Classification Classification, taxonomy, taxonomic key Kingdom, phylum, class, order, family, genus, species.

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This Powerpoint is a compilation of presentations found on the Internet. Unfortunately, the authors did not include their names on their work.

Classifying Living Things

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This Powerpoint is a compilation of presentations found on the Internet. Unfortunately, the authors did not include their names on their work.

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This Powerpoint is a compilation of presentations found on the Internet. Unfortunately, the authors did not include their names on their work.

Presentation transcript:

Scientific Classification Classification, taxonomy, taxonomic key Kingdom, phylum, class, order, family, genus, species

Observable Properties What is an observable property? Why is it important in scientific classification?

Classification Define living: Define non-living: Define once-living:

Examples Give 3 examples of living things: Give 3 examples of non-living things: Give 3 examples of once-living things:

Scientific Classification What things are classified scientifically? What are structural characteristics?

Scientific Tool Classification is a scientific tool It describes perceived patterns in nature.

Kingdoms What are the kingdoms of living things? List their characteristics

Levels of Classification Do………………. Kings……………. Play……………… Chess……………. On……………….. Fine……………… Green…………… Silk?……………….

Binomial Nomenclature Every organism that is classified has a scientific name. This name has two parts The first name is the name of the genus and is capitalized. The second name is the name of the species and is written in lower case. Acinonyx JubatusAconitum columbianumArtiodactyla suidae

Taxonomic Keys A taxonomic key is paired statements that give characteristics of an organism. You choose which statement applies to the organism you are trying to classify. You continue through the key by stating the characteristics. Once you have completed the steps, you arrive at the scientific name of the organism.

Taxonomic Key Example A taxonomic key is a tools used to identify and classify organisms. Most keys consist of a set of paired statements describing a certain trait. By choosing from a series of these paired traits, a biologist can place an unknown organism in smaller and smaller groups until the organism is either identified or proved to be something new. Use the following key to identify the leaves on the next page. Write the steps used and the scientific and common name of each tree in the spaces provided. (use the leaf terms at the bottom of the leaf page to help) 1a. Leaves needlelike: Go to 2 1b. Leaves broad with flattened surface or blade: Go to 6 2a. Needles up to 2.5 cm long: yew, Taxus canadenis 2b. Needles 5.0 cm or longer: Go to 3 3a. Needles 5.0 to 12.5 cm long: Go to 4 3b. Needles more than 12.5 cm long: Go to 5 4a. Needles in cluster of two: Scotch pine, Pinus sylvestris 4b. Needles in clusters of four or five: white pine, Pinus strobus 5a. Needles in clusters of two: black pine, Pinus nigra 5b. Needles in clusters of three: ponderosa pine, Pinus ponderosa 6a. Leaves divided into separate leaflets or little leaves: Go to 7 6b. Leaves all in one piece; no leaflets: Go to 8 7a. Leaves with five to seven leaflets, bottom pair smallest: shagbark hickory, Carya ovata 7b. Leaves with thirteen to forty one leaflets: tree of heaven, Ailantbus altissima 8a. Leaf edge smooth, no saw-teeth: flowering dogwood, Cornus florida 8b. Leaves saw-toothed or lobed: Go to 9 9a. Leaves saw-toothed, veins like barbs on a feather: beech, Fagus grandifolia

Taxonomic Key Practice Look at the salamander pictures on your table. Study the dichotomous key to find the name of your salamander Have everyone on your table find the name of a different salamander Include a description and a name of your salamander.