Final answer:
Idhant is most likely studying the squid, which has a symbiotic relationship with bacteria that emit light.
Step-by-step explanation:
The most likely organism that Idhant is studying is the squid. Squids have a unique symbiotic relationship with bacteria that emit light called bioluminescent bacteria. This relationship allows squids to produce light organs called photophores, which they use for communication, camouflage, and attracting prey.
Learn more about symbiotic relationship