Only A Theory
Evolution Talk
English - October 13, 2014 10:00 - 15 minutes - 20.7 MB - ★★★★★ - 186 ratingsNatural Sciences Science Homepage Download Apple Podcasts Google Podcasts Overcast Castro Pocket Casts RSS feed
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Charles Darwin had a hypothesis was that animals evolved due to a process he called natural selection. He strengthened his hypothesis with tests and observation. Evolution by natural selection has held up to every test. It is because of this that it long ago graduated from being a hypothesis to being a theory. It is a valid explanation for the fact of evolution.