In animals, tissues are organized such that they display different levels of symmetry. Symmetry is determined by the body axis and facilitates different functions. It may be absent, may be bilateral, radial, biradial or spherical.

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Chapter 35, Problem 4TY

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Introduction: In animals, tissues are organized such that they display different levels of symmetry. Symmetry is determined by the body axis and facilitates different functions. It may be absent, may be bilateral, radial, biradial or spherical.

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