The DNA sequences of whales and ungulates or hooved animals are very similar. What type of evidence of evolution is this?

The similarity in DNA sequences between whales and ungulates is an example of genetic evidence for evolution, specifically molecular homology. This suggests that both groups share a common ancestor, supporting the theory of evolution by demonstrating how species can diverge from a common lineage over time. Such genetic similarities reflect the evolutionary relationships and the modifications that occur in different environments.