English naturalist, geologist, and biologist Charles Darwin employed the term to show how successfully adapted organisms achieve better survival rates through reproduction with trait inheritance ...

Darwin has generally overshadowed Wallace’s contributions, however. In natural selection, genetic mutations that are beneficial to an individual’s survival are passed on through reproduction. This ...

many more individuals are born than could possibly survive...” – Darwin underscores the vast excess of reproduction. “...individuals having any advantage, however slight...would have the ...

He suggested that such traits might evolve if they are sexually selected, that is if they increase the individual's reproductive success, even at the expense of their survival (Darwin 1871).

Natural selection explains how this evolution has happened: More organisms are produced than can survive because of limited resources. Organisms struggle for the necessities of life; there is ...

the Grants and their assistants watched the struggle for survival among individuals in two species of small birds called Darwin's finches. The struggle is mainly about food -- different types of ...

Few phrases in science are as influential as Charles Darwin’s evolutionary theory of 'survival of the fittest'. The idea is commonly understood to mean that those who are physically dominant ...

Research is presently underway in the Bird Group to trace the history of FitzRoy’s birds, in particular to link them back to surviving archives in order to restore their full data. It is fascinating ...