Symbiosis
Pronunciation: /ˌsɪmbaɪˈoʊsɪs/ · Category: ecology
Definition: A close, long-term relationship between two different species. It can benefit both, benefit one without affecting the other, or benefit one at the other’s expense.
More about symbiosis
The clownfish and its sea anemone are a well-known example: the anemone’s stinging tentacles shelter the fish, and the fish helps keep the anemone clean.
Origin of the term
From Greek, “living together”.