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Discover the facts about Ebola virus, including how it spreads, how it affects the host, and how it may evolve.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents yo ...
Hipervinculo Biología
Describes Darwin's observations on the Galápagos Islands that led to his theory of evolution.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged i ...
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 ...
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