struggle for existence
noun
the competition in nature among organisms of a population to maintain themselves in a given environment and to survive to reproduce others of their kind.
Origin of struggle for existence
First recorded in 1820–30
Words nearby struggle for existence
structured programming,
structureless,
strudel,
struggle,
struggle bus,
struggle for existence,
strum,
struma,
struma lymphomatosa,
struma ovarii,
strumectomy
British Dictionary definitions for struggle for existence
struggle for existence
noun
(not in technical usage)
competition between organisms of a population, esp as a factor in the evolution of plants and animals
See also natural selection