Words similar to altruism

Example sentences for: altruism

How can you use “altruism” in a sentence? Here are some example sentences to help you improve your vocabulary:

In our species, the result of this evolutionary process seems to be a kin-directed altruism that is roughly proportional to the closeness of relatives.
"Until now, we have always depended strictly on altruism."
Isn't it a little self-pitying to ascribe misplaced guilty liberalism and soggy altruism to the same folks who bring us season after season of formulaic sitcoms, spandexed soap operas, and disease-of-the-week movies?
When genes confine altruism to kin, and deny it to needy non-kin, they are in fact failing spectacularly to be efficiently selfish.
One of the heralded potential examples, predator "inspection" in shoaling fish [ 21 ] has proved something of a controversy [ 20 ] . Various authors have questioned whether the observed behaviour is cooperation maintained by reciprocity in a Prisoner's Dilemma at all, rather than simple by-product mutualism [ 22 ] or some other mechanism [ 23 24 ] . In general, other candidate models to explain altruism among non-relatives have tended to be ignored [ 19 25 26 ] , and the usefulness of Prisoner's Dilemma as a paradigm for the study of cooperation is beginning to be brought into question [ 27 ] .