Posted: Aug 23, 2018 9:31 pm
by Wortfish
Rachel Bronwyn wrote:If you study even a single semester of comparative vert anatomy, you're overwhelmed by the similarities between birds and reptiles. They're the same.

Calilasseia wrote:
What evolutionary biologists (which is the proper term for the people who spend decades studying the subject) actually postulate here, is that the same processes resulting in changes that don't involve the formation of new taxa, are also involved in changes that do produce new taxa.

That's really well put.

Birds have feathers, reptiles have scales.
Birds are warm-blooded, reptiles are cold-blooded.
Birds have lungs and femurs specialised for flight, reptiles do not.