VariousWords beta
Related Terms:
Definitions:
Noun
metazoan
Definition: any animal of the subkingdom Metazoa; all animals except protozoans and sponges
Definition: Any animal that undergoes development from an embryo stage with two or three tissue layers, namely the ectoderm, endoderm, and sometimes mesoderm.
Adjective
Definition: Having to do with animals that develop from an embryo with three tissue layers.