2 quotes about symmetric follow in order of popularity. Be sure to bookmark and share your favorites!

One concern is that the cleaning occurs at a certain angle, and you will not get symmetric cleaning on two sides of a trench.

Paul Mertens
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It makes sense to use symmetry variation in mate choice. If you choose a perfectly symmetrical partner and reproduce with them, your offspring will have a better chance of being symmetric and able to deal with perturbations.

Randy Thornhill
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