Tapeworms are flatwormsparasitic in the digestive tract of vertebrates. They consist of a round head, called "scolex", which has hooks, and a tape-shaped tail divided into segments, each of which has reproductive[?] organs.
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... on the DVD is encrypted so that it can only be decoded and viewed using an encryption key, which the DVD Consortium kept secret. In order to gain access to the key, a DVD ...