Animals are multicellular eukaryotes whose cells are certain together by collagen. Animals dominate human conceptions of lifetime on the planet on account of their size, range, abundance, and mobility. The presence of muscles and mobility has become the Main features of the animal kingdom. Vertebrates make up a self-contained group: https://chancezungy.wikihearsay.com/3600267/5_simple_statements_about_animal_xxx_explained