These funds go by several names such as age-based allocation models, age-based funds or target-date funds, but they all are designed to assist the investor by investing in funds based on their age when they plan to retire. Age-Based Funds Vs. Lifestyle Funds. Age-based funds are normally set up as mutual funds.
radial symmetry. n. 1. (Biology) a type of structure of an organism or part of an organism in which a vertical cut through the axis in any of two or more planes produces two halves that are mirror images of each other. Compare bilateral symmetry.oun. 1. radial symmetry-the property of symmetry about an axis; the starfish illustrates radial symmetry. symmetricalness, symmetry, correspondence, balance - (mathematics) an attribute of a shape or relation; exact reflection of form on opposite sides of a dividing line or plane.
The first type is radial symmetry. With this type of symmetry, the body plan is based around an axis. In other words, the body is oriented so that is radiates out from an imaginary line through the center of the organism.These organisms have a top and bottom, but they don't have a left and right side or a front and back side. A couple examples of radial symmetry are starfish, jellyfish, and sea anemones.n other words, the body is oriented so that is radiates out from an imaginary line through the center of the organism. These organisms have a top and bottom, but they don't have a left and right side or a front and back side. A couple examples of radial symmetry are starfish, jellyfish, and sea anemones.