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Two nurse sharks hover over a baited cage
Lesson Plan

What is El Nino?

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Two nurse sharks hover over a baited cage
Lesson Plan

What is a Coral Reef? Elementary School

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A handful of fossil pieces from the Cambrian period sit on a gray background.
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Scientists and Fossils

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Offshore Peru, during the Eocene (~56-34 million years ago), showing two archaeocetes (ancient whales): Ocucajea picklingi and Supayacetus muizon.
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New Archaeocetes from Peru Are the Oldest Fossil Whales from South America

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Two of the worlds largest jellyfish, the lions mane jellyfish, float together.
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Extreme Jellyfish

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