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DNA weaves together the tapestry of life on Earth. It mutates, which can lead to variation among organisms. Watch how natural selection relies on DNA to mold organisms to suit their environments. Play the Evolution Lab: http://www.pbs.org/nova/labs/lab/evolution/ Find discussion questions for this video and other resources in the Evolution Lab collection on PBS LearningMedia: http://www.pbslearningmedia.org/resource/nvev-sci-dnaevolve/dna-spells-evolution/ NOVA Labs Facebook: https://www.facebook.com/theNOVALabs NOVA Labs Twitter: https://twitter.com/theNOVALabs Credits: Ari Daniel, Writer/Narrator/Producer Tilapia Film, Animation APM Music, Music Additional photography: • Janet Browne headshot: Ari Daniel • Daniel Matute headshot: Reema Khrais • Butterfly images: Chris D. Jiggins et al. • Cells: http://www.manifestdaily.com/wp-content/uploads/2014/04/cells2.jpg
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