Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

[Q]: The bird ancestor that lived in trees developed wings, which is commonly associated with birds.
[A]: The bird ancestor that lived in trees developed what feature commonly associated with birds?


[Q]: Invertebrates (and higher animals) can also be placed in one of two groups based on how they develop as embryos.
[A]: Invertebrates (and higher animals) can also be placed in one of two groups based on how they develop as what?


[Q]: Comparing genome sequences provides clues to evolution and development.
[A]:
Comparing what sequences provides clues to evolution and development?