an extended period of time with little to no snow or rainfall-C
14. Staphylococcus
19. Enteric
21. Bacteria
23. Facultative
25. Yogurt
27. Glycocalyx
28. Antibiotic
B. "the nameless grace/Which waves in every raven tress" is correct.
Therefore "the copperheads are subspecies and the cottonmouth is a separate species".
<u>Answer:</u> Option C
<u>Explanation:</u>
The higher classification is "copperhead" for both the subspecies Agkistrodon contortrix contortrix and Agkistrodon contortrix mokasen. As the name itself consist species name "A. contortrix", both are belonging from "Viperidae" family, "Crotalinae" subfamily and venomous pit viper subspecies.
These are generally silent snakes as they show lazy and motionless behavior when encountered but on agitating sufficiently they become protectively aggressive and they are species of eastern North America. While Agkistrodon piscivorous are separate species with higher classification as "Cottonmouth" and name carry species name "A. piscivorus". It is indigenous to southeastern United States and belongs to same family as copperhead.