For me the importance of interaction of living things specially in the Estuary:
*In the ecosystem interaction are very important .
*the importance of it is to survive the certain organism to live more.
*it helps to give habitat to some animals
*the main idea in interaction is to "SURVIVE"
*Predation , mutualism , Competition, & Cooperation are examples of Interactions.
:)) -COLLINSDAX "at your service"