David M. Raup Quotes

Enjoy the top 13 famous quotes, sayings and quotations by David M. Raup.

David M. Raup Quotes

The once rather old-fashioned science of paleontology finds itself in a maelstrom of excitement and controversy. Astrophysicists, atmospheric scientists, geochemists, geophysicists, and statisticians are all contributing to the extinction problem. And the general public is taking part through television talk shows, magazine cover stories, newspaper editorials, and even the occasional mention in gossip columns.
— David M. Raup —

250,000 species of plants and animals recorded and deposited in museums throughout the world did not support the gradual unfolding hoped for by Darwin.

— David M. Raup

It has been argued that dinosaurs did not die out, but just evolved wings and flew away. At a certain level, this reasoning is sound ... Birds, as a group, did descend from dinosaurs and ... all 8,600 species of birds living today carry some inheritance from their reptilian ancestors.

— David M. Raup

In the beginning, there were bacteria ... [A] nearly universal assumption is that all subsequent life descended from the original life form through a continuous chain of ancestor-descendant pairs. This assumption looks good because all living organisms share biochemical traits. It is conceivable, of course, that life originated more than once on the early earth but that all except one life form died out early, leaving a single lineage as the ancestor of life as we know it. If this did happen, it was the first important species extinction.

— David M. Raup

David M. Raup Quotes Pictures

Want to see more pictures of David M. Raup quotes? Click on image of David M. Raup quotes to view full size.

David M. Raup Quotes Pictures 1
David M. Raup Quotes Pictures 2
David M. Raup Quotes Pictures 3
David M. Raup Quotes Pictures 4