• 4 Parasites Too Creepy to Exist
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    4 Parasites Too Creepy to Exist

    Thanks to Brilliant for supporting this whole week of SciShow! Go to Brilliant.org/SciShow to learn more. [♪ INTRO] Of all the strategies life has developed for survival, parasitism is among the most popular. A parasite is an organism that makes its living taking resources from another, called the host. Parasites give nothing back and often harm the host in the process. Scientists have estimated that anywhere between ⅓ and ½ of all life on Earth is parasitic, although there’s still a lot we don’t understand. What we do know is that the unique challenges and opportunities that come with parasitism have led to the evolution of some truly strange and…