The scientific study of animals, including their anatomy, physiology, biochemistry, genetics, ecology, evolution, and behavior.

Source: Art & Architecture Thesaurus

http://vocab.getty.edu/page/aat/300054472

O estudo científico dos animais, incluindo sua anatomia, fisiologia, bioquímica, genética, ecologia, evolução e comportamento.

Fonte: AAT

http://vocab.getty.edu/page/aat/300054472