Mathematics Is As Little A Science As

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

Evolution ... Is Opportunistic, Hence Unpredictable.

In Neither His Definition Nor The Examples Illustrating What Memes Are Does Dawkins Mention Anything That Would Distinguish Memes From Concepts.

There Are A Number Of Attributes Of Species And Populations That Are Not Of Any Particular Selective Advantage To Any Single Individual In A Population But That Are Of Great Advantage To The Population As A Whole.

Evolution Thus Is Merely Contingent On Certain Processes Articulated By Darwin: Variation And Selection.