Relative Content



Fins are an exceedingly common form of biological locomotive adaptation. They are thin appendages attached to a larger body or structure. They typically function as foils that produce lift, or thrust or provide the ability to steer or stabilize motion while traveling through water or something analogous. The fins on the tails of cetaceans, mosasaurs, […]


Switchclaws are a type of biological offensive adaptation evolved predominantly by carnivorous organisms. Switchclaws are a secondary row of claws above the primary row, which can retract in and out of the foot or hand in a similar manner to a switchblade.