Final answer:
The Antarctic Treaty Consultative Meeting is held biennially to discuss and make decisions about the management and governance of the Antarctic region.
Step-by-step explanation:
The Antarctic Treaty Consultative Meeting is held biennially. It is a meeting where representatives from the member countries of the Antarctic Treaty come together to discuss and make decisions about the management and governance of the Antarctic region. The meetings serve as a forum for sharing scientific research, addressing environmental concerns, and ensuring the treaty's objectives are being met.