Which of the Following Organisms Would Be Most Likely to Form

Question

Which of the following organisms would be most likely to form a fossil?
A) a rare worm
B) a common worm
C) a rare squirrel
D) a common squirrel

Accepted Answer

Squirrels, being vertebrates with bones, are more likely to fossilize than worms, which lack hard parts. Among squirrels, a common species has a higher chance of fossilization due to its abundance.