A symbiotic relationship is one in which two organisms from different species interact. Take for example, the symbiotic relationship between a whale and the barnacles that live on the whale's skin.While the whale filter-feeds, it faces difficulties from the surrounding detritus that affects its vision in the water.he hydra species and Green Algae are an example of a symbiotic relationship. The Algae gets nutrients from the Hydra (nitrogen Source), and the Hydra gets the products of pho … tosynthesis and has better growth performance.