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- In biology, symmetry is approximate. For example, plant leaves, while considered symmetric, will rarely match up exactly when folded in half. Furthermore, symmetry may refer only to the external form and not the internal anatomy.
www.geeksforgeeks.org/animal-symmetry/
symmetry, in biology, the repetition of the parts in an animal or plant in an orderly fashion. Specifically, symmetry refers to a correspondence of body parts, in size, shape, and relative position, on opposite sides of a dividing line or distributed around a central point or axis.
- The Editors of Encyclopaedia Britannica
Feb 13, 2017 · Bilateral symmetry refers to organisms with body shapes that are mirror images along a midline called the sagittal plane. The internal organs, however, are not necessarily distributed symmetrically.
Mar 13, 2021 · What are radial and bilateral symmetry in Biology, and what are some examples of radially symmetrical and bilaterally symmetrical organisms?
- Kate Latham
Aug 4, 2022 · Symmetry in biology is the balanced arrangement of body parts or shapes around a central point or axis. That is, the size, shape, and relative location on one side of a dividing line mirrors the size, shape, and relative location on the other side.
Feb 25, 2024 · Bilateral symmetry refers to a type of symmetry where an organism can be divided into two equal halves along a single plane. Examples In Organisms. Many organisms exhibit bilateral symmetry, allowing for distinct left and right sides: Echinoderms: Sea stars and sea urchins display bilateral symmetry.
The type of symmetry is found in some sponges (Sycon), cnidarians (e.g. Hydra jelly), and echinoderms (e.g. star fish). When the body can be divided into two similar halves by one or two vertical planes only, the radial symmetry is called biradial symmetry.
Symmetry in biology refers to the symmetry observed in organisms, including plants, animals, fungi, and bacteria. External symmetry can be easily seen by just looking at an organism. For example, the face of a human being has a plane of symmetry down its centre, or a pine cone displays a clear symmetrical spiral pattern.
