Symbioses

Definition

Symbioses are interactions between two different organisms living in close physical association, often to the benefit of both. These relationships can be mutualistic, commensalistic, or parasitic.

5 Must Know Facts For Your Next Test

1. Mutualism is a type of symbiosis where both organisms benefit from the relationship.
2. Commensalism occurs when one organism benefits and the other is neither helped nor harmed.
3. Parasitism is a form of symbiosis where one organism benefits at the expense of the other.
4. Endosymbiosis involves one organism living inside another, such as mitochondria in eukaryotic cells.
5. Symbiotic relationships are crucial for ecosystem stability and nutrient cycles.

Related terms

Mutualism:

A type of symbiosis where both organisms involved benefit.

Commensalism:

A type of symbiosis where one organism benefits and the other is unaffected.

Parasitism:

A type of symbiosis where one organism benefits at the expense of the other.