Saturday, April 14, 2007

dinosaur descent

2 comments:

dan said...

taken in Boulder, biking back from a CU lecture (Moving Beyond Darwin) ... about how procaryotes did not give rise to eucaryotes, which has been the textbook idea for quite a while. Norman mentioned that "the dinosaur line of descent" is not extinct but continues in birds.

clay said...

Good to have the explanation w/ the image.