Radial Symmetry

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An organism has radial symmetry when it is symmetrical upon a central point in the absolute middle of it. Sea urchins are considered as a popular example. If they were cut into sections like a pizza, every section would be essentially identical. An organism that has radial symmetry will not have a “right” or “left” side (only “top” and “bottom”). Absolute radial symmetry is very difficult to find as many organisms will have slight variations in the series’ of their patterns. The coconut pictured above has radial symmetry because it is symmetrical upon a central point.

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