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Two nurse sharks hover over a baited cage
Lesson Plan

Coral Adaptations

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Two nurse sharks hover over a baited cage
Lesson Plan

Connected Ecosystems

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Two nurse sharks hover over a baited cage
Lesson Plan

A Tale of Deep Corals

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Two nurse sharks hover over a baited cage
Lesson Plan

A Reef of Your Own

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Two nurse sharks hover over a baited cage
Lesson Plan

Symbiosis and Coral Anatomy

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a stack of plates covered in algae on a reef
Video

What is DROP?

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Corals, sponges, and algae are the major components of most coral reef communities as shown in this picture.
Overview

Corals and Coral Reefs

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A screenshot from the video of Nancy Knowlton on PBS NewsHour.
Video

Where did Half of the Great Barrier Reef's Coral Go?

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a fuzzy brown sea anemone cover the coral
Photo

Corallimorphs

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Colorful Christmas tree worms
Photo

A Forest of Christmas Tree Worms

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A screenshot from video showing illustrations of ancient coral reefs.
Video

Coral Reefs Changing Over Time

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On a healthy coral reef, fish (as well as many other organisms) thrive. Not only are reefs beautiful, but they are also critical to ocean health and human livelihoods.
Photo

Healthy Coral Head

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