Answer:
I think its B) The species have a similar bone structure
Explanation:
I would say C because A is a positive, B is a positive, and D is a positive, The only "disadvantage" is in C
Well, I'm assuming you're talking about these terms...
Species, Genus, Family, Order, Class, Phylum, Kingdom, Domain
A good way to remember this is;
Does King Philip Come Over For Great Spaghetti
(However, this is in order from most specific to least specific)