Reproduction -- biological processes by which existing organisms give rise to new organisms-- since no individual organism is immortal, reproduction is required if species are to persist through time -- extinction occurs when reproductive rates fall below mortality rates.
(species; to persist; T:through time) (existing organisms; give; rise; to new organisms; L:biological processes) (extinction; occurs; T:when reproductive rates fall below mortality rates) Context(extinction occurs,List([203, 220))):(reproduction; is required; ) (no individual organism; is; immortal) (reproductive rates; fall; below mortality rates) (species; are; to persist through time)
extinction occurs,List([203, 220))
species existing organisms extinction reproduction no individual organism reproductive rates species
to persist give occurs is required is fall are
T:through time
rise to new organisms L:biological processes
T:when reproductive rates fall below mortality rates
immortal
below mortality rates
to persist through time