Usually Biblical creationism means Young Earth Creationism but believers in Old Earth Creationism and Theistic evolution also try to reconcile their beliefs with at least parts of the account in the Book of Genesis.
- When Scientific discoveries can't be reconciled with the biblical creation account Bible literalists try to deny those parts of science. Most still accept science if, for example they want to know how a car works.
- When Scientific discoveries can't be reconciled with the biblical creation account the more scientific believers accept that parts of the bible aren't literally true or even aren't true at all. Liberal Christians still keep believing their favourite parts of the bible.
There are gradiations between the two extremes above.