Which discovery could provide evidence against the theory of evolution?

Evolution predicts that fossils from different geological periods will appear in a consistent sequence, with older and newer organisms found in the layers where they lived. A primate and a trilobite fossil in the same rock layer would place organisms thought to have lived at very different times together, challenging that sequence. A whale’s hip bones and a shared gene across diverse species are evidence consistent with common ancestry, while differences in fossil and modern bat limbs can reflect evolutionary change.

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