Archive for February 17th, 2012

 

Sea hares

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The sea hare belongs to the family Aplysiidae of marine sea slugs that appear very similar to nudibranchs, but do have small softened shell that is mostly covered by the epidermis. The only part of the shell that is sometimes exposed is the mantle cavity which covers the gills and female reproductive organs. Like most […]

Co-evolution

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Just as some plants have developed toxic chemicals to defend predators, corals have also evolved to produce chemical toxins as well. Gorgonian coral, as they are commonly known, produces a toxin that when eaten, expels it inside the predator. Although this can prevent most predators of the reef, some have co-evolved with the coral, and […]