Bioidentical hormone therapy is often called natural hormone therapy because bioidentical hormones act in the body just like the hormones we produce.But here again, that tricky word natural muddies the waters.ioidentical hormone therapy is often called natural hormone therapy because bioidentical hormones act in the body just like the hormones we produce.
Some bivalves, which are mollusks, have bilateral symmetry. Radial symmetry is typical of starfish, urchins, and sea anemones, which are echinoderms.
mollusca. phylum of organisms characterized by having a soft body, muscular foot, and (most often) a protective shell; 1)Bilaterally symmetrical. 2)Body has more than two cell layers, tissues and organs.3)Body without cavity. 4)Body possesses a through gut with mouth and anus.hylum of organisms characterized by having a soft body, muscular foot, and (most often) a protective shell; 1)Bilaterally symmetrical. 2)Body has more than two cell layers, tissues and organs. 3)Body without cavity.