His phenotype should be wet earwax
<h2>Answer</h2>
Naegleria fowleri is the causative pathogen in the rare and fatal form of meningitis called <u>primary amoebic meningoencephalitis</u><u> </u><u>(</u><u> </u><u>PAM </u><u>)</u>
<h3>#CarryOnLearning</h3>

An example of a parallel choice on a dichotomous key is happy or sad and old or young. Either one of those answers.
Need the descriptions in order to answer the question.