| 11. | Bilateral symmetry also permits drag, and on a traditional view in zoology facilitates locomotion.
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| 12. | Fish jaws, like vertebrates in general, normally show bilateral symmetry.
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| 13. | *The human body, like most animal life, has bilateral symmetry.
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| 14. | Biradial symmetry is a combination of radial and bilateral symmetry, as in the Ctenophores.
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| 15. | Unlike other urchins, the bodies of sand dollars also display secondary front-to-back bilateral symmetry.
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| 16. | The octopus, however, has bilateral symmetry, despite its eight arms.
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| 17. | Because of that, most species with bilateral symmetry see symmetry as a form of beauty.
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| 18. | Each flower has bilateral symmetry and has two lips.
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| 19. | The energy required for bilateral symmetry development is extremely high, making perfect bilateral symmetry rare.
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| 20. | Echinoderms, for example, exhibit unmistaken bilateral symmetry as larvae.
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