We need someone with qualifications vermox uk Barnacles are a genus of primitive invertebrates that have populated the oceans for 500 million years. Unlike other crustaceans, they cannot move. The larvae stick themselves firmly to rocks with their cement glands, and use the tentacles in their mouthparts to collect the plankton that is whipped up by the surf. In the mid-19th century Charles Darwin devoted eight years to studying a total of 10,000 specimens, which he arranged and classified in species and subspecies. This work helped him to develop his theory of evolution.
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