You’ve heard evolution is about the “survival of the fittest,”* but fitness doesn’t guarantee beautiful products.
Sometimes, carrying on your genetic legacy means replacing a host’s tongue, eating your neighbors or letting your mate liquefy every part of your body except for (eek!) your gonads.
In short: You might want to grab a barf bag, because we’re about to take a horrifying little stroll through the animal kingdom. And it’s going to get progressively un-pretty.**
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