Ecological facilitation is a term used to describe the positive interactions between different species in an ecosystem. It can be seen as an important aspect of biodiversity and ecosystem function. There are many synonyms for this term, including mutualism, symbiosis, cooperation, and interdependence. Mutualism refers to the relationship between two or more species that benefits both parties. Symbiosis describes the intimate relationship between two or more species. Cooperation refers to the behavior of organisms working together for the mutual benefit of the group. Interdependence describes the reliance of one species on another for survival or reproduction. All of these terms highlight the positive interactions between species in an ecosystem that enable them to coexist and thrive.