Q. Mammals evolved from therapsid reptiles in Triassic period. The type of skull in these reptiles is
A) Anapsid skull
B) Parapsid skull
C) Synapsid skull
D) Diapsid skull
Explanation
The skull of mammals represents a highly modified synapsid pattern. In synapsids, the temporal region of skull develops a single opening bound horizontal along its lower border by a bony connection between jugal and squamosal bones.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.