Dyadic
Relating to a pair of organisms or entities. Dyadic interactions are one-to-one relationships between two parties, as distinct from network or ecosystem-level dynamics involving many participants.
Biological Context
Dyadic relationships form the building blocks of larger ecological networks. Predator-prey pairs, host-parasite bonds, and mutualistic partnerships between two species (like clownfish and sea anemones) are all dyadic. Understanding these pairwise interactions is essential before analyzing the complex webs they form together.
Business Application
In business, dyadic relationships include vendor-client pairs, employer-employee bonds, and strategic partnerships between two companies. Most business analysis focuses on dyadic competition (us vs. them) before examining the broader ecosystem dynamics that often matter more.