Space/Science — HabitableZone

Space/Science » in reply to Why does T. Rex have vestigial forelegs?

Grooming

I would have said tooth picking, but as you pointed out, the arms don't reach their mouths.

I would imagine that they must have had social grooming as well.

An earlier theory was that they were used during copulation, but that doesn't seem to work.

And doesn't this whole question belong on off topic?

Log in or register to post.

The whole thread (27 posts)