A scientist took a boat trip across the Atlantic. On his voyage, he found a lizard, but was unsure of the species. He used his dichotomous key because he wanted to know where the lizard came from, so he could return it to that general area.

A and C are irrelevant because there was only one organism to observe therefore the scientist could not observe how it interacted with others. B is irrelevant because the scientist did not have an ecosystem to observe.

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VTshruti VTshruti · Answer 2 · 2022-05-20T21:05:05+02:00

A dichotomous key is an important scientific tool. Based on observable trait, it is used to identify different organisms. As the scientist used this tool to determine lizard, this implies that the purpose for classifying the organism and studying biodiversity, i.e., option D.

What is dichotomous key?

Dichotomous keys consist of characters along with two choices in each step that helps scientists for proper and correct identification.

It can be complex or simple depending upon the organism.

As the scientist wants to identify the lizard this implies that the purpose for classifying the organism and studying biodiversity.

Thus, the correct option is D.

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