Rose: I am not aware of any substantive support even for oil being of biological origin as opposed to being natural and contaminated by biological organisms.

Wrongway: It has never been only survival of the fittest ... but more realistically survival of the fittest (today) combined with survival of the most adaptable over time.

How many creatures can exist? As many as have ever existed. Though human activity is dropping that number at a precipitous rate.

DA Morgan