Biological Warning Systems
- Aposematism (e.g. warning coloration)
- Climate canary
- Fear
- Miner's canary
- Pain
Read more about this topic: Warning Systems
Famous quotes containing the words biological, warning and/or systems:
“I am fifty-two years of age. I am a bishop in the Anglican Church, and a few people might be constrained to say that I was reasonably responsible. In the land of my birth I cannot vote, whereas a young person of eighteen can vote. And why? Because he or she possesses that wonderful biological attribute—a white skin.”
—Desmond Tutu (b. 1931)
“What I am now warning the People of is, That the News-Papers of this Island are as pernicious to weak Heads in England as ever Books of Chivalry to Spain; and therefore shall do all that in me lies, with the utmost Care and Vigilance imaginable, to prevent these growing Evils.”
—Richard Steele (1672–1729)
“What avails it that you are a Christian, if you are not purer than the heathen, if you deny yourself no more, if you are not more religious? I know of many systems of religion esteemed heathenish whose precepts fill the reader with shame, and provoke him to new endeavors, though it be to the performance of rites merely.”
—Henry David Thoreau (1817–1862)