I believe the answer is C
Jawless fish. The class Agnatha is a class made up of jawless fish. It excludes all vertebrates with jaws.
It seems that you have missed the necessary options for us to choose from, but anyway, here is the answer. When Melissa is studying a Gram-stained slide of curd bacteria, she <span>sees many rod-shaped, violet-colored bacteria and the type of bacteria are they are LACTOBACILLI. Hope this answers your question.</span>
