Every Politician, Clergyman, Educator, Or Physician, In

Anyone Who Writes About "darwin's Theory Of Evolutionin The Singular, Without Segregating The Theories Of Gradual Evolution, Common Descent, Speciation, And The Mechanism Of Natural Selection, Will Be Quite Unable To Discuss The Subject Competently.

There Is More To Biology Than Rats, Drosophila, Caenorhabditis, And E. Coli.

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.

A Species Consists Of A Group Of Populations Which Replace Each Other Geographically Or Ecologically And Of Which The Neighboring Ones Integrate Or Hybridise Wherever They Are In Contact Or Which Are Potentially Capable Of Doing So (with One Or More Of The Populations) In Those Cases Where Contact Is Prevented By Geographical Or Ecological Barriers.

The History Of Science Knows Scores Of Instances Where An Investigator Was In The Possession Of All The Important Facts For A New Theory But Simply Failed To Ask The Right Questions.