Animals are heterotrophic, which means they depend upon other organisms—vegetation and/or other animals—for his or her food stuff, as they cannot synthesize their particular food as plants do through photosynthesis. Vertebrates make up a self-contained group: the subphylum Vertebrata. Invertebrates belong to many different groups. Caecilians are burrowing animals that https://friedrichm888tqm5.yomoblog.com/profile