Pythons have small leg bones buried in their tail muscles. What can scientists conclude from thi

• Pythons descended from an animal with legs.
• The leg bones help pythons move.
• The leg bones will not be passed down to future generations.
• Future generations of pythons will have legs.

Scientists can conclude that pythons descended from an animal with legs. This suggests that earlier ancestors of pythons had legs, but pythons themselves have evolved to lose their legs over time.