Dichotomous keys

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What is a dichotomous key?

Back

A tool used by taxonomists to identify unknown organisms by answering a series of questions based on physical characteristics.

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What is the purpose of a dichotomous key?

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To help identify organisms by guiding users through a series of choices based on observable traits.

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What is binomial nomenclature?

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A system of naming organisms using two terms: the genus name and the species name.

Front

What do taxonomists study?

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Taxonomists study the classification, naming, and identification of organisms.

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What is an example of a physical feature used in a dichotomous key?

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Wingspan, color, shape, or size of an organism.

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How do you use a dichotomous key?

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By following the steps and answering questions about the organism's characteristics until you reach a conclusion.

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What is the first step in using a dichotomous key?

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Observe the organism and note its physical features.

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What is the significance of physical features in identifying organisms?

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Physical features provide observable traits that can be used to differentiate between species.

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What is an example of a question you might find in a dichotomous key?

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Does the organism have wings? Yes or No.

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What is the difference between a dichotomous key and a scientific name?

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A dichotomous key is a tool for identification, while a scientific name is the formal name given to an organism.