as evolving

English as a Second Language English Vocabulary, Grammar and Idioms
1

Is there a difference between the meanings of:
[color=red]1-We study personal identity as it evolves through time.
[color=blue]2-We study personal identity as evolving through time.

Gratefully,
Navi.

2

To me, the second sentence is awkward, and it’s not clear exactly what it should mean.