1- Yo
2-Yo soy or just Soy
3-tu if informal and usted if formal
4-tu eres if informal and Usted es if formal.
5- El
Are there any answer choices ?
1.yo
2. You go out
3.you go out
4.we
5.I slango
The theory developed based on observations made on the Galapagos islands was, Natural Selection.
I hope I helped you!
Source: https://socratic.org/questions/which-theory-was-developed-based-on-observations-made-on-the-gal-pagos-islands