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Hace 1 día · Darwin's theory of evolution is based on key facts and the inferences drawn from them, which biologist Ernst Mayr summarised as follows: Every species is fertile enough that if all offspring survived to reproduce, the population would grow (fact). Despite periodic fluctuations, populations remain roughly the same size (fact).
Hace 1 día · El fenómeno del Niño, acaecido entre los años 1982 y 1983, trajo intensas lluvias sobre las islas que repercutieron en una gran abundancia de alimento. Las semillas que constituían la dieta de la...
14 de jun. de 2024 · Survival of the fittest, term made famous in the fifth edition of On the Origin of Species by Charles Darwin, which suggested that organisms best adjusted to their environment are the most successful in surviving and reproducing. The term was later used in economics, political theory, and eugenics.
12 de jun. de 2024 · A group of birds known as Darwin’s finches live in the Galápagos Islands, which are located in the Pacific Ocean 600 miles west of Ecuador. These birds have been a leading icon for evolutionary research and observations.
26 de jun. de 2024 · Four endemic species of Galápagos mockingbirds, the first species Darwin noticed to vary from island to island; Thirteen endemic species of tanagers, popularly called Darwin's finches.
14 de jun. de 2024 · For the Little Vermilion Flycatcher on Santa Cruz, expanding the restoration area is currently being evaluated to provide better foraging sites and increase the reproduction of this species. Meanwhile, for the Mangrove Finch, we will continue seeking ways to improve methods to protect them from invasive species.
Hace 5 días · Genetics. One of the strongest evidences for common descent comes from gene sequences. Comparative sequence analysis examines the relationship between the DNA sequences of different species, [1] producing several lines of evidence that confirm Darwin's original hypothesis of common descent.
