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How many questions are needed in this dichotomous key to determine if the unknown is Bacteroides?

A. Two
B. Three
C. Five
D. Four

Answer :

Final answer:

The number of questions needed to identify an organism as Bacteroides using a dichotomous key would depend on the diversity and complexity of the organisms included in the key. Potentially, three questions may be enough if Bacteroides was one among five possible organisms and the key is efficiently built. Therefore, the correct answer is three.

Explanation:

The number of questions needed in a dichotomous key to determine if an unknown organism is Bacteroides depends on the complexity of the key. A dichotomous key is a method used in biology to identify and classify organisms. It is a series of questions that guide the user towards the correct identification based on observable characteristics. Starting from a broad spectrum, each question in the key narrows down the possibilities until the organism in question can be accurately identified. If Bacteroides was one among five possible organisms and the key is built efficiently, one could theoretically identify it as Bacteroides in three questions. But overall, it really depends on the diversity and complexity of the organisms included in the key.

Learn more about Dichotomous Key here:

https://brainly.com/question/14258113

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