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.
Starfish are part of the phylum Echinoderm and are most closely related to sea cucumbers, brittle stars and sea urchins. They are in the kingdom Animalia, class Asteroidea, and can be any of a... Starfish are part of the phylum Echinoderm and are most closely related to sea cucumbers, brittle stars and sea urchins.