Re: The Aquatic Adaptation of the Human Ear H. M. Hubey
(email@example.com) 7 Oct 1995 20:55:41 -0400 David Froehlich
<firstname.lastname@example.org> writes: >No!!! Mammals are
evolved from fully terrestrial synapsids which wear >evolved
from fully terrestrial amniotes which were evolved from largely
Just for the sake of argument, how can you tell if a 50 My old
partial skeleton is "fully terrestrial". I can imagine how one
can tell if it flew, or even if it was arboreal. The tell tale
sign for wings would not be difficult to spot, and the infamous
arboreal foot would probably not have too many objectors. How
about fully terrestrial vs partially terrestrial or partially
aquatic. In the case of flightless birds it's not difficult to
see agreement on the evidence of wings that are how about semi-
aquatic. Is there a dorsal fin too short, or a fingers too long,
or too short etc etc. >admit crustaceans and shellfish are a
possibility) but a largely >shellfish diet can be identified by
stable isotope ratios (they