rodents to bats reptiles to birds aquatic organisms to land-based organisms invertebrates to flying organisms
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: The discovery of a fossilized animal with teeth, a long bony tail, and feathered wings helped to establish which evolutionary sequence?
Possibilities:
- rodents to bats
- reptiles to birds
- aquatic organisms to land-based organisms
- invertebrates to flying organisms

reptiles to birds