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Two nurse sharks hover over a baited cage
Lesson Plan

Long Live the Sharks and Rays

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Two nurse sharks hover over a baited cage
Lesson Plan

Shark!

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ichthyosaurs frolic in the waves
Article

Form Equals Function for Ancient Sea Lizards and Modern Whales

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Illustration of a four-legged proto-whale with webbed feet.
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Early Whale with Webbed Feet

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The dwarf lantern shark sits in a human hand.
Article

5 Reasons to Revere, Not Fear, the Shark

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ancient sea creatures frolic in the waves
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The Mesozoic Sea

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two ammonoids in the water
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Ammonoids

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A female (top left) and male Photerus annecohenae. Note that females are larger than males (sexual dimorphism) and that males have bigger eyes.
Article

You Light Up My World!

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Great White Shark at sea surface – marvels of evolution.
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Great White Shark at Surface

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A great white shark gaping its jaws at the surface of the water; gaping is used as a form of communication in sharks
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Gaping Jaws of a Great White Shark

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Rough periwinkles sit on a bed of barnacles.
Article

Spirals in Time: A Walk at the Seashore

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Fossil tooth whorl of ancient shark.
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Fossil tooth spiral

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