The Home Mortgage Disclosure Act (HMDA) was enacted by Congress in 1975 and was implemented by the Federal Reserve Board's Regulation C. On July 21, 2011, the rule-writing authority of Regulation C was transferred to the Consumer Financial Protection Bureau (CFPB).
They show their radial symmetry in much the same way as the spokes of a bicycle wheel radiate from the center and they exhibit short or long spines. Starfish and brittle stars look like stars, many sea cucumbers look like actual cucumbers found in the supermarket, and sea urchins and sand dollars are very spiny.
Symmetry. Echinoderms and chordates have different types of symmetry, one of their most obvious differences. Chordates like humans have bilateral symmetry, which means you can divide them into a left and right half, and that they have a defined top, bottom, front and back.t the same time, a few echinoderms like the sand dollar have bilateral symmetry. Scientists believe that echinoderms evolved from animals with bilateral symmetry. One of the oldest fossil echinoderms, the Homalozoa, has bilateral symmetry.