What is the diff between radial and bilateral symmetry?
Answers
An animal with radial symmetry could be divided into equal portions from the center, in the same way that you could cut a pie into wedges. An animal with radial symmetry really has no right and left side or head and rear end. Radial symmetry is ideal for animals that do not move, so they can reach into their environment on all sides. Consider the starfish as an example of radial symmetry.
Bilateral Symmetry - Heads or TailsAnimals with bilateral symmetry can be divided only into mirror halves through a single plane. Higher animals that move are normally bilateral, with matching left and right sides. Bilateral symmetry is associated with having a head or leading end of a body that encounters the environment first, so the sense organs like eyes and mouth are usually there. Bilateral symmetry often gives animals more streamlined shapes for moving through their environments. You, your dog and his fleas are bilateral.
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