Bilateral Symmetry: Earwig

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 (Term #15: Bilateral Symmetry)



Definition: Organisms that have bilateral symmetry can be divided into reflected halves along only one plane; the organism's left side is a mirror copy of its right side.


Explanation: This (dead) earwig demonstrates bilateral symmetry. If you drew a line down the middle, the left and right sides would be mirror copies of each other: for example, both sides would have an antenna, half of the forceps, and three legs.

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