Daniel Lazarus
Joined March 2024
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Starfish Are Heads That Can Crawl + Other Animal Facts
It turns out that starfish are their own heads. A starfish looks like it has five arms at first glance. Researchers have always been interested in why starfish look this way and where their heads are. Most animals, including humans, have bodies that are bilaterally symmetrical, which means that you can cut them in half and get two sides that are the same. But starfish, sand dollars, and other sea creatures are radially symmetrical, which means that their iodes have identical shapes. Parts spread out from the middle: Starfish and sea stars are unique because they are symmetrical in five ways, which means they can be split into five equal pieces.
By Daniel Lazarusabout a month ago in Education