Changes

An '''animal''' is a heterotrophic, eukaryotic organism that lacks a cell wall. Biologically, an animal is any member of the Animalia kingdom.

Biologically, an animal is any member of the Animalia kingdom. Animals must eat plants or other organisms to survive. The plants are called "producers" and the animals are "consumers". Scientists call consumers [[heterotroph]]s. Animals have complex [[eukaryotic]] cells, unlike bacteria which have much simpler cells.

 

{{stub}}

{{stub}}