At each step, a dichotomous key divides proof of identity into two mutually preferential options. To use the key, the scientist begins at the top and determines which of the two options applies to their organism. The key directs them to a new question based on their response.
This key aids in the identification of organisms by directing the attention to identify the organisms.
The steps to use a dichotomous key are:
Thus, these are the steps that the bird-watcher can use for identifying the bird.
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