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6.Evolution
normal
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 $X$
Solution
If the fossil $X$ is older 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
Standard 12
Biology
