There Is More To Biology Than Rats,

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.

It Seems To Me That For Darwin The Pulsing Of Evolutionary Rates Was A Strictly Vertical Phenomenon.

I Feel That One Species, Mankind, Doesn't Have The Right To Exterminate

Definitions Are Temporary Verbalizations Of Concepts, And Concepts- Particularly Difficult Concepts- Are Usually Revised Repeatedly As Our Knowledge And Understanding Grows.

Wherever We Look At The Living Biota … Discontinuities Are Overwhelmingly Frequent…the Discontinuities Are Even More Striking In The Fossil Record. New Species Usually Appear In The Fossil Record Suddenly, Not Connected With Their Ancestors By A Series Of Intermediates.