Which of the following is not a derived character of craniates?
a. cranium or skull
b. neural crest in embryonic development
c. a mineralized endoskeleton
d. heart with at least two chambers
Answer: C
Which of the following is not a derived character of craniates?
a. cranium or skull
b. neural crest in embryonic development
c. a mineralized endoskeleton
d. heart with at least two chambers
Answer: C