Symbiosis in nature is the interaction between two distinct species looking to forge closer long-term relationships. There are three types of interactions; ""Mutualism"" (honey bees and flowers for example, where both species benefit), ""Commensalism"" (A bird's nest on a tree for example, where one species benefits whilst the other is not harmed) and ""Parasitism"" (humans and mosquitoes for example, where one species benefits and the other is harmed)...