Question

Explain the significance of symbiosis in living organisms with an example.

Answer 1

Explanation:

A symbiosis is an evolved interaction or close living relationship between organisms from different species, usually with benefits to one or both of the individuals involved. Symbioses may be ‘obligate’, in which case the relationship between the two species is so interdependent, that each of the organisms is unable to survive without the other, or ‘facultative’, in which the two species engage in a symbiotic partnership through choice, and can survive individually. Obligate symbioses are often evolved over a long period of time, while facultative symbioses may be more modern, behavioral adaptions; given time, facultative symbioses may evolve into obligate symbioses.

Endosymbiosis is a symbiotic relationship, occurring when one of the symbiotic partners lives within the body of the other. Endosymbiosis can take place either within the cells (intercellular symbiosis) of the ‘host’ organism, or outside the cells (extracellular symbiosis). On the other hand, ectosymbiosis is a symbiotic relationship in which one organism lives on the body surface of the host, including the lining of the digestive tract, or exocrine glands such as mucus or sweat glands.

Answer 2

Symbiosis. Symbiosis is a close relationship between two organisms of different species in which at least one of the organisms benefits. For the other organism, the relationship may be beneficial or harmful, or it may have no effect. There are three basic types of symbiosis: mutualism, commensalism, and parasitism.


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