Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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Condoms were originally made of animal intestines or linen.
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The Jewel Wasp injects a drug into a cockroach’s brain, turns it into a zombie, rides it like a horse back to its burrow, and then lets its hatched larvae feed on the cockroaches body from the inside.
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15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
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