No refuge could save the hireling and slave. From the terror of flight or the gloom of the grave: And the star-spangled banner in triumph doth wave. O'er the land of the free and the home of the brave. O thus be it ever when free-men shall stand. Between their lov'd home and the war's desolation; Blest with vict'ry and peace, may the heav'n-rescued land.
Chordates are animals with backbones. Animal groups in the chordate phylum include fish, amphibians, reptiles, birds and mammals. Animals with backbones are the most highly evolved groups of animals, the most complex and complicated. They have interior skeletons and have bilateral symmetry. They have more advanced brains.
Phylum Chordata: Protochordates 4 Biological Sciences 102 â Animal Biology â Notes & Vocabulary Â¾ the nervous system is restricted to a nerve ganglion and plexus of nerves that lie on the dorsal side of the pharynx Â¾ sea squirts are hermaphroditic, with usually a single ovary and a single testis in the same animal.ll animals that belong to phylum Chordata must have at some time in their life cycle the following characteristics. Phylum Chordata: Protochordates 2 Biological Sciences 102 â Animal Biology â Notes & Vocabulary Characteristics Specific to the Phylum Chordata 1.