Question Detail
Question
Edentata (edentates) are remarkable for having sacral vertebrae numbering up to:
Correct Answer
Option D is the correct answer.
Detailed Explanation
Sacral vertebrae are usually 3–5, but can be up to 10 in Edentata (anteaters, sloths, armadillos), providing additional pelvic support.
Hint
Which group has an unusually high number of fused sacral vertebrae?