Chordata
Chordates get their name from their characteristic notochord. It plays a significant role in chordate structure and movement. Chordates are bilaterally symmetric, possess a circulatory system, and exhibit metameric segmentation.
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Raising the Colors: Honor at the Marine Corps War Memorial
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Morning Stroll: Ring-Billed Gull Over the Potomac
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Resting White Rhinoceros
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A Colorful Pair of Rainbow Lorikeets
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Finding Crush: A Sea Turtle's Underwater Adventure
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