Commensalism is a type of symbiotic relationship in which only one of the symbionts benefits from the relationship, but neither is harmed.

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- Mutualism
- Commensalism
- Parasitism
- Neutralism
- Amensalism
- Competition

Types of Symbiotic Relationships

Wilson EO (1975). "Ch.17-Social Symbiosis". Sociobiology: The New Synthesis. Harvard University Press. ISBN 978-0-674-00089-6.

Social Symbiosis

Mutualism is a type of symbiotic relationship in which each symbiont benefits overall from the relationship

Mutualism

Commensalism

Parasitism is a type of symbiotic relationship in which one symbiont (the parasite) benefits while the other (the host) is harmed.

Parasitism

Amensalism is a type of symbiotic relationship in which one symbiont is harmed or killed by another symbiont who is unaffected by the first.

Amensalism

Neutralism is a symbiotic relationship in which the organisms interact but do not have any effect on each other (or in practice, an insignificant effect).

Neutralism

A relationship in which the biological success of one of the organisms is reduced by the presence of the other.

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