Did you know humans might have had a third eye, if it weren’t for evolution?
A common misconception is that evolution is a long chain of progress, where organisms gain cool, new features over time. However, if a trait doesn’t help with survival or reproduction, eventually it can disappear. Here are a few fun abilities humans’ distant ancestors had that have been lost to natural selection! Hosted by Michael Aranda.
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Sources:
https://www.app.pan.pl/archive/published/app61/app002192015.pdf
https://theconversation.com/what-our-ancestors-third-eye-reveals-about-the-evolution-of-mammals-to-warm-blood-68454
https://www.ncbi.nlm.https://theconversation.com/what-our-ancestors-third-eye-reveals-about-the-evolution-of-mammals-to-warm-blood-68454nih.gov/pmc/articles/PMC1772576/
https://www.nature.com/articles/ncomms1502
http://www.fishbase.org/summary/Electrophorus-electricus.html
https://www.britannica.com/science/electroreception
http://pages.nbb.cornell.edu/neurobio/hopkins/eodrecog/electroreception.html
https://www.nature.com/articles/319401a0
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1189155/
https://royalsocietypublishing.org/doi/full/10.1098/rspb.2011.1127
https://www.sciencedirect.com/science/article/pii/S187972961100010X
https://www.pnas.org/content/100/14/8337
https://www.cell.com/trends/ecology-evolution/fulltext/S0169-5347(09)00150-5?_returnURL=httpslinkinghub.elsevier.comretrievepiiS0169534709001505showalltrue
https://evolution.berkeley.edu/evolibrary/misconceptions_faq.php#a3
https://www.ncbi.nlm.nih.gov/books/NBK200980/
https://www.scientificamerican.com/article/are-human-pheromones-real/
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