mutualism
/'mju:tjuəlizm/
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Definition
Mutualism (noun) A symbiotic relationship between two different species of organisms in which both species benefit from the association. It is a form of symbiosis characterized by mutual advantage.
Examples
- The relationship between bees and flowering plants is a classic example of mutualism; the bees get nectar for food, and the plants get their pollen distributed.
- Scientists study mutualism to understand how cooperation evolves in nature.
- The mutualism between the clownfish and the sea anemone provides the fish with protection and the anemone with cleaning.
Advanced Usage
- Obligate mutualism: A relationship where the species are so interdependent that one cannot survive without the other.
- The mutualism between termites and the protozoa in their gut is obligate; the termites cannot digest wood without them.
- Facultative mutualism: A relationship where both species benefit but can survive independently.
- The mutualism between some ants and aphids is facultative, as both can exist without the other, though they thrive together.
Variants and Related Words
- Mutualistic (adjective): Describing a relationship of mutualism.
- The mutualistic bacteria in our gut are essential for digestion.
- Symbiosis (noun): A broader term for any long-term biological interaction between two different biological organisms, which includes mutualism, commensalism, and parasitism.
- Commensalism (noun): A symbiotic relationship where one species benefits and the other is neither helped nor harmed.
- Parasitism (noun): A symbiotic relationship where one species (the parasite) benefits at the expense of the other (the host).
Synonyms
- Symbiosis (specifically when it denotes mutual benefit)
- Cooperation (in a biological context)
- Interdependence
- Mutual benefit
Related Phrases & Terms
- Ecological mutualism: Mutualism considered within the context of an ecosystem's function and stability.
- Ecological mutualism is a key driver of biodiversity.
- Breakdown of mutualism: When a mutually beneficial relationship ceases, often due to environmental change.
- Pollution can lead to a breakdown of mutualism between corals and their algal partners.
Noun
- the relation between two different species of organisms that are interdependent; each gains benefits from the other