Bilateral Symmetry Definition English
Symmetricalness symmetry correspondence balance mathematics an attribute of a shape or relation.
Bilateral symmetry definition english. Exact reflection of form on opposite sides of a dividing line or plane. Symmetry in which similar anatomical parts are arranged on opposite sides of a median axis so that only one plane can divide the individual into essentially identical halves examples of bilateral symmetry in a sentence. Bilateral symmetry the property of being symmetrical about a vertical plane. The vast majority of animals display bilateral symmetry.
In this article you can learn more about symmetry advantages of bilateral symmetry and examples of marine life that exhibit bilateral symmetry. Definition of bilateral symmetry. Bilateral symmetry is a characteristic of animals that are capable of moving freely through their environments. See also radial symmetry.
The external appearance is the same on the left and right sides in a sagittal plane such as the body plan of most animals including humans. Bilateral symmetry bī lăt ər əl symmetrical arrangement of an organism or part of an organism along a central axis so that the organism or part can be divided into two equal halves. Also known as plane symmetry this is a trait that applies to 99 of all animals in the majority of phyla. When an organism shows bilateral symmetry the body plan is divisible into equal mirror halves in a sagittal plane.
The internal organs however are not necessarily distributed symmetrically. Bilateral symmetry in british english. Chordata annelida arthropoda platyzoa nematoda and most mollusca. Bilateral symmetryis a form of symmetry in which the opposite sides are similar.
Bilateral symmetry is a body plan in which the body can be divided into mirror images along a central axis. The property of an organism or part of an organism such that if cut in only one plane the two cut halves are mirror images of each other.