Correct Answer : Odisha
Horseshoe crabs, ancient marine creatures known for their blue blood, are facing extinction due to habitat loss and human activities along the coastline of Odisha.
Conservation efforts are underway to protect them, including tracking their movements and studying their nesting patterns.
These crabs, dating back millions of years, are vital to biomedical science due to their blood's unique properties, and they play an important ecological role in their coastal habitat.