Question

a turtle shell appears external to the animal, protecting its body like armor. ________ the shell is often incorrectly assumed to be an exoskeleton, a tough outer casing like that of a crustacean or an insect, when in fact it is an endoskeleton, a part of the turtles internal bone structure, more akin to a spine. which choice completes the text with the most logical transition? a) that being said, b) however, c) for instance, d) hence,

Explanation:

The first part describes the turtle - shell's appearance as protective armor. The second part points out a common mis - assumption about the shell. There is a contrast between the appearance and the actual nature of the shell. "However" is used to show this contrast.

Answer:

B. However