Depends on how far you go back. Grasslands came after jungles/forests.
Based on some of our traits (nose shape good for diving, can control our breathing voluntarily, fingers get more grippy when wet, lack of fur), we might have even been semi-aquatic for a while.
Actually, I believe current thinking is that we came from grassland, hence the advantage of upright walking.
Depends on how far you go back. Grasslands came after jungles/forests.
Based on some of our traits (nose shape good for diving, can control our breathing voluntarily, fingers get more grippy when wet, lack of fur), we might have even been semi-aquatic for a while.
Source on the semi-aquatic part? Looking it up only brings up the aquatic ape hypothesis which is pseudoscience.