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A tree that shows cephalopod relationships.
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Cephalopod Family Tree

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A chart showing the evolution of cephalopods through geologic time.
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Tracking Cephalopods Through Time

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a cartoon of a man with cholera
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A Cholera Patient

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Workers in a shed preparing the cast of the blue whale
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A Whale's Head

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This 1874 illustration of California gray whales (Eschrichtius robustus) shows a group of individuals at the edge of their modern day range in the North Pacific Ocean, blocked from traveling further east into Arctic waters by thick ice barriers.
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California Grays Among the Ice

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Aerial view of a North Atlantic right whale mother and calf.
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North Atlantic Right Whale - Pico and Calf

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Map of volcanoes of Central America and within the Caribbean Sea.
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Central American and Caribbean Sea Volcanoes

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a wood frame dries walrus hide
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Walrus Hide

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Like a cake, the ocean has different layers—each with its own characteristics.
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Ocean Layers

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A map of the Hawaiian Islands including the windward and leeward islands.
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Map of Hawaiian Islands

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A life-size sea star sculpture made from plastic trash.
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A Musical Sea Star

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This male dancing fiddler crab (Uca terpsichores) has built a sand “hood” at the entrance to his burrow, which he hopes will attract females to his humble abode—as if that big beautiful claw of his weren't enough!
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The Dancing Fiddler Crab Shows Off

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