There Is More To Biology

Every Politician, Clergyman, Educator, Or Physician, In Short, Anyone Dealing With Human Individuals, Is Bound To Make Grave Mistakes If He Ignores These Two Great Truths Of Population Zoology: (1) No Two Individuals Are Alike, And (2) Both Environment And Genetic Endowment Make A Contribution To Nearly Every Trait.

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.

On Earth, Among Millions Of Lineages Or Organisms And Perhaps 50 Billion Speciation Events, Only One Led To High Intelligence ; This Makes Me Believe Its Utter Improbablity.

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.

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.