Aw there is no budget for a field trip to the zoo, but that is ok because we have the next best thing...virtual zoo!
Minus the smells this site allows for observation of taxonomical characteristics, as well as discussion of the kingdoms. The avatars can even hitch a ride on an elephant.

THE SAFARI ZOO
BIOLOGY ANY Grade!
safari_zoo_001.png
TEKS:
(8) Science concepts. The student knows that taxonomy is a branching classification based on the shared characteristics of organisms and can change as new discoveries are made. The student is expected to:
(A) define taxonomy and recognize the importance of a standardized taxonomic system to the scientific community;
(B) categorize organisms using a hierarchical classification system based on similarities and differences shared among groups; and
(C) compare characteristics of taxonomic groups, including archaea, bacteria, protists, fungi, plants, and animals.