only the healthiest species survive weak and sick individuals usually perish
Survival of the fittest
Natural selection
Natural selection
Natural selection. A much more accurate term.
Natural selection- which is the mechanism driving evolution
Natural selection. A much more accurate term.
Survival of the fittest
The term "fittest" is not actually "fittest to survive" but rather "fittest to survive long enough to reproduce". If one animal lives 20 years, but has 15 offspring, and another lives on 5 years, but manages to have 50 offspring, the latter example would be considered fore "fit" by the standards of Darwin's statement.
Survival of the fittest. Not the BEST, but the fittest.
It is also known as Survival of the Fittest.
Competition. The struggle of the fittest. The survival of the fittest.
survival of the fittest