Which of the following could be considered the most recent common ancestor of living tetrapods?
A) a sturdy-finned, shallow-water lobe-fin whose appendages had skeletal supports similar to those of terrestrial vertebrates
B) an armored, jawed placoderm with two pairs of appendages
C) an early ray-finned fish that developed bony skeletal supports in its paired fins
D) a salamander that had legs supported by a bony skeleton but moved with the side-to-side bending typical of fishes
E) an early terrestrial caecilian whose legless condition had evolved secondarily
While numerous subspecies of the jaguar have been recognized, recent research suggests just three. G
Common Types of Neuropathic Pain
Recent Migration Patterns
A common mole (nevus) is not a contraindication for massage.
Common substances for scrubs and/or body polishes.
Common Oil Traps