: any of a kingdom (Animalia) of living things including lots of-celled organisms and often most of the single-celled kinds (such as protozoans) that ordinarily vary from crops in obtaining cells without cellulose walls, in lacking chlorophyll along with the ability for photosynthesis, in requiring more elaborate food items components https://animal-facts53963.widblog.com/89512642/little-known-facts-about-animal-facts