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"The evolution of populations is defined as the changes populations undergo when organisms change over time as predicted by Darwin's Theory of Evolution. Over time, organisms which are most fit for th ...
"Reproductive isolation is a mechanism that keeps species from mating with others. Prezygotic isolation prevents the fertilization of eggs while postzygotic isolation prevents the formation of fertile ...
Video Biología
"Divergent evolution occurs when related species develop unique traits due to different environments or selective pressures. A classic example of divergent evolution is the Galapagos finch which Darwi ...
Hipervinculo Biología
"Darwin's Theory of Evolution states that groups of organisms will undergo genetic changes over time due to the process of natural selection. Darwin's theory says that organisms which are most fit for ...
Video Biología
"Convergent evolution, also called parallel evolution, is a type of evolution in which two unrelated species develop similar traits due to similar environments or selective pressures. These similar tr ...
Video Biología
"Coevolution occurs when two species influence each other's evolution due to each exerting selective pressure on other. Examples of coevolution include bees - flowers, wolves - rabbits and HIV - human ...
Video Biología
"Natural selection is a theory conceived by Charles Darwin that states that in a population, organisms with a genetic trait that increases the chance of having offspring will pass on their genes to th ...
"Microevolution is defined as changes within a species that aren't drastic enough to create an entirely new species. Changes that result in a new species are part of macroevolution. Often microevoluti ...
Hipervinculo Biología
"Desde aproximadamente cuatro millones de años la especie humana ha evolucionado desde el Australopitecos hasta el Homo Sapiens Sapiens. En un comienzo el hombre era más bien un simio que se desplazab ...
Hipervinculo Ciencias de la Tierra y Medioambiente
"Presentación de las unidades didácticas sobre Ciencias de la Naturaleza sobre: El Universo, la Vía Láctea y el Sistema Solar. La atmósfera terrestre. La hidros ...
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