Answer:
Forelimb protraction starts with a rapid flexion of the shoulder joint bringing the humerus close to its maximum cranial rotation angle, almost in parallel to the mid-sagittal plane. This position has already been reached by the middle of the swing phase.
The offspring could receive either D or d.
A light-year is how astronomers measure distance in space, hope this helps ^^
Diffusion is the type of transport that oxygen and carbon dioxide use to cross the cell membrane
