Q. Fossil X is older than fossil Y if
A) X was found deeper in sediment than Y
B) Y was found deeper in sediment than X
C) Y had less vestigial organs
D) Fossil Y had a homologous and analogous organs of X
Explanation
If the fossil $X$ is order than fossil $Y$ than in the sedimentary rock or sedimentation fossil $X$ will be found deeper than the fossil $Y$. In sedimentation the layers are deposited one above the other as the time proceeds
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.