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DICHOTOMOUS KEYS

DICHOTOMOUS KEYS. TEKS 7.11A Examine organisms and use dichotomous keys for identification. DICHOTOMOUS KEYS. A dichotomous key is a device that can be used to easily identify an unknown organism by their Physical characteristics. . DICHOTOMOUS KEYS.

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DICHOTOMOUS KEYS

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  1. DICHOTOMOUS KEYS TEKS 7.11A Examine organisms and use dichotomous keys for identification

  2. DICHOTOMOUS KEYS • A dichotomous key is a device that can be used to easily identify an unknown organism by their Physical characteristics.

  3. DICHOTOMOUS KEYS • The word dichotomous comes from two Greek words that together mean, "divided in two parts". • A dichotomous key consists of a series of two part statements that describe characteristic of organisms.

  4. DICHOTOMOUS KEYS • At each step of a dichotomous key the user is presented with two choices. • As the user makes a choice about a particular characteristic of an organism they are led to a new branch of the key. • Eventually the user will be led to the name of the organism that they are trying to identify.

  5. Let’s practice classify the ant

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