In the scientific classification of living things, the Kingdom Animalia ( animals ) or Metazoa ( metazoans ) It is a broad group of tissue multicellular eukaryotic and heterotrophic organisms. They characterized by their ability for locomotion, by the lack of chlorophyll and wall in his cell, and its embryonic development passes through a blastula stage which determines a fixed body plan ( although many species can subsequently undergo metamorphosis ). Animals form a natural group closely related to fungi and plants. Animalia is one of the five kingdoms of nature, and to him belongs the human being.
