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In the dark of the ocean, some animals have evolved to use bioluminescence as a defense.When threatened, the ostracod ejects two chemicals, luciferin and luciferase, which, when combined, emit light.

In the dark of the ocean, some animals have evolved to use bioluminescence as a defense.When threatened, the ostracod ejects two chemicals, luciferin and luciferase, which, when combined, emit light.

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< Previous The name &quot;ermine&quot; is used most often to describe a stoat or any member of the Mustela genus when it has taken on its white winter coat. There are 21 subspecies distributed throughout the Northern Hemisphere. The Eurasian ermine, seen here, is searching fo Sicarius thomisoides is a species of spider in the family Sicariidae. It can grow between 12 and 20 mm in length and has nocturnal habits. They have active sphingomyelinase D, a venom that is capable of causing complement-dependent hemolysis and cytotoxic Next >
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