Multiple Choice
All chordates have ________.
A) a dorsal, hollow nerve cord and a notochord
B) a post-anal tail and a single opening for the mouth and anus
C) a cranium and vertebrae
D) pharyngeal slits and a cranium
Correct Answer:

Verified
Correct Answer:
Verified
Q3: Where did humans first appear?<br>A)South America<br>B)Africa<br>C)Asia<br>D)Europe
Q4: The evolutionary tree indicates that _ anthropoids
Q5: Rays are a type of _.<br>A)tunicate<br>B)cartilaginous fish<br>C)jawless
Q6: Most animals are _ and reproduce _.<br>A)haploid;
Q7: The stationary stage of the cnidarian life
Q9: What name is given to the food-trapping
Q10: In the image, the segmented body of
Q11: All but one of these traits result
Q12: The process of biological evolution often allows
Q13: Unique features of vertebrates include the presence