Self-preservation synonyms

This type of self preservation is human nature.

Can't have political correctness and political self-preservation compromised by common sense in the pursuit of public safety - can we?

Ca n't have political correctness and political self-preservation compromised by common sense in the pursuit of public safety - can we?

He looked on the actions of the individual organism and of society as determined by the needs of self-preservation.

In the interests of self-preservation against the world, the state and the heretics, the Christian communities had formed themselves into compact societies with a definite creed and constitution, and they felt that their existence was threatened by the white heat of religious subjectivity.