Organism Able to Live Without Oxygen

This page is the CodyCross answer for the clue below from Working From Home, Group 1236, Puzzle 4 (Address Labels).

Question is: Organism Able to Live Without Oxygen

and the answer is: ANAEROBE

Word Meaning:

ANAEROBE — An anaerobic organism; one that does not require oxygen to sustain its metabolic processes.

Definitions from Wiktionary.