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Showing posts with the label Ocean Science

How Sea Stars Thrive Without Blood Or A Brain

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A Body Built Differently: Sea stars, often called starfish, are very different from humans and most animals people are familiar with. They do not have blood, and they do not have a brain. Yet they survive, move, eat, and sense their surroundings with great efficiency. Instead of blood, sea stars rely on seawater to move nutrients and oxygen through their bodies. Instead of a brain, they use a network of nerves that spread throughout each arm.

The Mysterious Twisters That Dance on Water

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What Are Waterspouts: A waterspout is like a tornado that forms over water instead of land.  These spinning columns connect to clouds above and water below, creating a mesmerizing but potentially dangerous natural event.  While tornadoes form over land, waterspouts develop over lakes, seas, and oceans, drawing up water droplets and mist rather than dust and debris.