Discover the exotic animal life that inhabits the ocean floor. Children will be fascinated to learn how animals， from bioluminescent fish to giant tube worms， survive.A history of deep-sea exploration from sonar to submersibles shows how far scientists have come in their ability to investigate these great depths.Discover the exotic animal life that inhabits the ocean floor. Children will be fascinated to learn how animals， from bioluminescent fish to giant tube worms， survive.A history of deep-sea exploration from sonar to submersibles shows how far scientists have come in their ability to investigate these great depths.
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