Nature Collection 19 - EP08 1of6 Life - Creatures of the Deep - 2009 marine invertebrates are the descendants of a billion years of evolutionary history, the most abundant organisms in the sea. Sea of Cortez, the Humboldt squid packages to carry out night raids deep cooperative hunting sardines. Under the Antarctic sea ice of McMurdo Sound permanent, sea urchins, starfish and red nemertean worms were shot on a seal carcass cleanup. A jellyfish in a fried egg huntAurelia swarm of offshore pierce its prey with harpoon-like tentacles. In the shallows of South Australia, collecting hundreds of thousands of spider crabs changes annually. Many simple invertebrate nervous systems, but the giant squid have large brains and complex mating behavior. males using large color flashing strobe and strength to win a mate, while smaller competitors successfully on two tactics of fraud. A giant Pacific octopus to sacrifice their lives, tendsingle clutch of eggs for six months. As a Pycnopodia starfish feeds on her remains, it comes under attack from a king crab. Coral reefs, which rival rainforests in their diversity, are the largest living structures on Earth and are created by coral polyps. Porcelain crabs, boxer crabs and orangutan crabs are shown to illustrate the many specialised ways of catching food on a reef. Marine invertebrates have a lasting legacy on land too their shells formed the chalk and limestone deposits of Eurasia ...
http://www.youtube.com/watch?v=XldLmO2aNRc&hl=en
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