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 ...

Out of that unforgiving battle, some would survive and many would not, as famine, disease, and war put a ceiling on the growth in population. These ideas galvanized Darwin's thinking about the ...

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 ...

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 ...

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 ...

Darwin visited four continents on the ship HMS ... characteristics most suited to the environment are more likely to survive to breed successfully the characteristics that have enabled these ...

The Darwin’s Rhea bird is native to the Patagonia region, across both Argentina and Chile. But the population on the Chilean side of the border has struggled to survive, while the Argentinian ...