There Is More To Biology

Our Understanding Of The World Is Achieved More Effectively By Conceptual Improvements Than By Discovery Of New Facts

A New Species Develops If A Population Which Has Become Geographically Isolated From Its Parental Species Acquires During This Period Of Isolation Characters Which Promote Or Guarantee Reproductive Isolation When The External Barriers Break Down.

The Most Consequential Change In Man's View Of The World, Of Living Nature And Of Himself Came With The Introduction, Over A Period Of Some 100 Years Beginning Only In The 18th Century, Of The Idea Of Change Itself, Of Change Over Periods Of Time: In A Word, Of Evolution.

According To The Concept Of Transformational Evolution, First Clearly Articulated By Lamarck, Evolution Consists Of The Gradual Transformation Of Organisms From One Condition Of Existence To Another.

Given The Fact Of Evolution, One Would Expect The Fossils To Document A Gradual Steady Change From Ancestral Forms To The Descendants. But This Is Not What The Paleontologist Finds. Instead, He Or She Finds Gaps In Just About Every Phyletic Series.