Final answer:
In this situation, an elevation of 0 m represents that the chameleon is at the same height as the grasshopper.
Step-by-step explanation:
In this situation, an elevation of 0 m represents that the chameleon is at the same height as the grasshopper.
Since positive numbers represent elevations above the chameleon and negative numbers represent elevations below the chameleon, an elevation of 0 m means that the chameleon and the grasshopper are at the same height.