Final answer:
Ikran, a fictional species from the 'Avatar' universe, bonds with only one hunter in their lifetime. This bond, once formed, is exclusive and lifelong, which is reflective of the deep connection between the Na'vi and their environment.
Step-by-step explanation:
Ikran, a creature featured in the science fiction film 'Avatar', is known to form a lifelong bond with a single Na'vi hunter, which answers the question: Ikran (the birds) bond to how many hunters in their lifetime? The correct answer is A) One.
Ikrans form this exclusive bond through a process known as taming or bonding, which is significant and irreversible. Once an Ikran has bonded with a hunter, it will not bond with another. This concept is central to the Na'vi culture and lore within the fictional universe of 'Avatar'.
Therefore, with this understanding, we can conclude that the Ikran's relationship with their human counterpart is not only pivotal to the story but also showcases the uniqueness of their connection in an environment where creatures must symbiotically coexist with one another to survive.