Answer
We might not have the following qualities or capabilities:
1. Flexible and very movable shoulders (joints)
2. Opposable thumbs
3. Stereoscopic vision
4. Color vision
Work Step by Step
These characteristics enabled our arboreal ancestors to swing easily and securely from tree to tree, to have good depth perception, and to distinguish ripe flowers and fruits. These capabilities developed because they conferred survival advantages on creatures swinging through the trees, looking for ripe fruits at close ranges.