Q. The position of the heart, when present, is ______ in chordates and ______ in non-chordates.
A) dorsal; ventral
B) ventral; ventral
C) ventral; dorsal
D) dorsal; dorsal
Explanation
Chordates have a ventral heart, whereas non-chordates have a dorsal heart if present.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.