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Exploring Dichotomous Keys: Classifying Organisms with Precision

Learn the method of using a dichotomous key to accurately classify organisms based on distinct characteristics in sequential steps. Understand the importance of binomial nomenclature system in scientific classification.

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Exploring Dichotomous Keys: Classifying Organisms with Precision

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  1. Topic: Classification Aim: How can we use a dichotomous key to classify organisms? Do Now: HW:

  2. Dichotomous Key • Detailed list of characteristics used to identify an organism • Arranged in steps with 2 descriptive statements at each step

  3. Let’s summarize… In a dichotomous key, how many descriptive statements are found in each step? When starting a dichotomous key, which step do you start with? What do you do if the first statement is false?

  4. Review: • When classifying organisms, what similarities to we observe? • Who came up with the system of binomial nomenclature? • In a dichotomous key, how many descriptive statements are found in each step? • When starting a dichtomous key, which step do you start with? • What do you do if the first statement is false?

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