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Dissection of a sea urchin

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What’s inside a sea urchin? Is there anything beneath all those spines? Find out as you learn how to dissect a sea urchin in this video, which also covers its external and internal anatomy and physiology. In this simple dissection of a sea urchin, you’ll learn various parts of its anatomy, what exactly an ‘Aristotle’s lantern’ is, and how sea urchins walk on the ocean floor. Sea urchins are a species of echinoderms that are often overlooked due to their simplistic external appearance. However, did you know that sea urchins have an entire water vascular system built into their body that helps move their tiny tube feet, or that they have a water slide like stomach and intestine within them? In this video, you’ll learn general information about both green sea urchins & purple sea urchins, which will be tied into their anatomical structures and physiological importance. This dissection lab is for anyone who is curious about sea urchin anatomy, wants to cover sea urchin anatomy for a zoology course, missed the sea urchin dissection during biology class, or just wondered, “what’s lies within all those spines of a sea urchin?” The video will teach you how to dissect a green & purple sea urchin step by step, and review the external and internal anatomy of the sea urchin.

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Watch the video and learn about sea urchin's anatomy.

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Oh Worm!

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