Animals are heterotrophic, meaning they rely upon other organisms—plants and/or other animals—for their food stuff, as they cannot synthesize their own personal food as plants do via photosynthesis. Vertebrates make up a self-contained group: the subphylum Vertebrata. Invertebrates belong to a variety of teams. The skeletons of bony fish are https://michaelc790yws9.blog-ezine.com/profile