survival of the fittest
Anarchism – Political philosophy and movement altruism – Principle or practice of concern for the welfare of others Robert Boyle – Anglo-Irish natural philosopher, chemist, physicist, and inventor Capitalism – Economic system based on private ownership Ethical relativism – Philosophical positions about the differences in moral judgments across peoples and cultures Eugenics – Set of beliefs and practices that aim to improve the genetic quality of a human population Freedom of thought – Freedom of an individual to hold or consider a fact, viewpoint, or thought, independent of others' viewpoints Freethought – Position that beliefs should be formed only on the basis of logic, reason, and empiricism Mutation – Alteration in the nucleotide sequence of a genome Natural philosophy – Philosophical study of nature and physical universe that was a precursor to science. John Ruskin – 19th-century English writer and art critic