Final answer:
The highest level of organization that encompasses all others is the organism level.
Explanation:
Organism is the level of organization that includes all the other levels of organization. An organism is a living being composed of cells, tissues, organs, and organ systems working together to maintain life and health. For example, in the human body, the circulatory system with organs like the heart and blood vessels is part of the organism level.
Learn more about Levels of biological organization here:
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