2 Quotes Tagged: flora

Sort by Popularity
Como es lógico, existe un ritmo constante y básico de extinciones. En nuestra época, las especies se extinguen cada año a consecuencia de las actividades humanas: la urbanización, la caza, la contaminación industrial o la destrucción de los bosques tropicales.
Carl Sagan, American astrophysicist, cosmologist and author (1934–1996)
This quote has a book source. Sign up to see titles and page references
animales civilizacion extincion fauna flora humanos Spanish
Find Similar
There can be no doubt that the existing Fauna and Flora is but the last term of a long series of equally numerous contemporary species, which have succeeded one another, by the slow and gradual substitution of species for species, in the vast interval of time which has elapsed between the deposition of the earliest fossiliferous strata and the present day.
Thomas Henry Huxley, British biologist and comparative anatomist (1825–1895)
This quote has a book source. Sign up to see titles and page references
fauna flora flora-and-fauna fossil evolution species biology strata doubt science time geology extinction
Find Similar