Languages. 1  Yucatec Maya writing is the Dresden Codex, ca. 11â12th century, Chichen Itza. 2  Two different ways of writing the word b'alam jaguar in the Maya script. First as logogram representing the entire word with the single glyph B'ALAM, then phonetically using the three syllable signs b'a, la, and ma.
exists and is an alternate of . Making the world better, one answer at a time. all rodents have incizor teeth that never stop growing so they always need something to qnaw on. all rodents have incizor teeth that never stop growing so they always need something to qnaw on.
Triploblastic animals have ectoderm, endoderm, and mesoderm layers. All of these embryonic tissue layers will develop into all the different tissues and structures found in an adult animal. The endoderm is the innermost germ layer and develops into internal structures.The mesoderm is the middle germ layer and forms most organ systems. The ectoderm is the outer layer of an embryo and develops into the epidermis, derivatives of the epidermis, parts of the mouth and eye, and most of the nervous system.efinition. During development, most animals form a gastrula. A gastrula is an embryo that has undergone gastrulation, or the process that produces different germ layers. Germ layers are the initial tissue layers of an embryo, and animals can have up to three. 1  Ectoderm is the outermost layer of cells.