Also, plants have no nervous system. Last of all is the Kingdom Animalia. This kingdom contains all organisms that develop from an embryo that has a blastula stage. Every member of Kingdom Animalia is heterotrophic and multicellular. There is a wide range of size in this kingdom.
Organisms range in size from microscopic to huge whales.
Organisms in Kingdom Animalia are the most diverse in size and form than that of any other kingdom. Almost all members of this kingdom have senses and a nervous system that aid them in locomotion. Reproduction within this kingdom is, for the most part, sexual. Kingdom Animalia contains both vertebrates and invertebrates.