The Study of the Entire Animal Kingdom
This page is the CodyCross answer for the clue below from Underground Worlds, Group 2180, Puzzle 3 (Coober Pedy Dugouts).
Question is: The Study of the Entire Animal Kingdom
and the answer is: ZOOLOGY
Word Meaning:
ZOOLOGY — The part of biology relating to the animal kingdom, including the structure, embryology, evolution, classification, habits, and distribution of all animals, both living and extinct.
Definitions from Wiktionary.