Hit the Insert key to change a selected object's pivot point, 1st to unlock, then again when in the desired position.
.ma files can be adapted to open in older versions of Maya by editing the year in a text editor like WordPad.
To get to the Hypergraph hierarchy window go to
Window > Hypergraph hierarchy
The f key frames all, just like in a view pane.
To group objects:
1. select them
2. Ctrl G
or go to Edit > Group
doubleClick the root of a chain to minimize or open it.
To create a Parent/Child realtionship:
1. select child
2. select parent
3. type p
To unparent:
1. select child
2. Shift P
The assignment was to model a hierarchy of a humanoid.
