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Symbiosis

Symbiosis. By: Jesse R. & Josh G. Mutualism.

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Symbiosis

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  1. Symbiosis By: Jesse R. & Josh G.

  2. Mutualism • Mutualism is the way two organisms of different species biologically interact in a relationship in which each individual derives a fitness benefit (i.e., increased or improved reproductive output). Similar interactions within a species are known as co-operation.

  3. Commensalism • In ecology, commensalism is a class of relationship between two organisms where one organism benefits but the other is neutral (there is no harm or benefit). There are two other types of association: mutualism (where both organisms benefit) and parasitism (one organism benefits and the other one is harmed).

  4. Parasitism • Parasitism is a type of non mutual relationship between organisms of different species where one organism, the parasite, benefits at the expense of the other, the host.

  5. paraitism • Parasitism is a type of non mutual relationship between organisms of different species where one organism, the parasite, benefits at the expense of the other, the host. Traditionally parasite referred to organisms with lifestages that needed more than one host (e.g. Taeniasolium). These are now called macroparasites (typically protozoa and helminths). The word parasite now also refers to microparasites, which are typically smaller, such as viruses and bacteria, and can be directly transmitted between hosts of the same species [1]. Examples of parasites include the plants mistletoe and cuscuta, and organisms such as leeches.

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