Which phylogeny is the most likely representation of the relationships among the six beteus species?

Phylogeny A

Explanation:

Phylogeny is the history of the evolution of a species or group, basically in reference to lines of descent and interconnections between broad groups of organisms. It proposes that plants or animals of different species descended from common ancestors.

a "theory" a suggestion that is not 100 % accurate, or a figure. some people say its a theory because they of all the passed theory's about one subject. it depends sometimes theory might be accurate and sometimes they are.

the answer is:

carbon dioxide