Answer:
A. At least one member must benefit in a symbiotic relationship
Explanation:
The best answer here is A. At least one member must benefit in a symbiotic relationship. Symbiosis describes a close relationship between species in which one at least one species benefits. Symbiosis branches into different types such as mutualism (where both species benefit) and commensalism (where one benefits but the other is unharmed).
The second option is not correct as the parasite is benefitting from its host and it is therefore a symbiotic relationship.
The third option is incorrect because both species can survive independently, they simply benefit from having the relationship.
The fourth option is incorrect because one member must benefit and therefore only one (if any) are harmed.
The fifth option is incorrect because not all organisms benefit from symbiotic relationships.
Hope this helped!
Answer:
Symbiotic Relationships . Commensalism is a relationship that is beneficial to the bacteria but does not help or harm the host. Most commensal bacteria reside on epithelial surfaces that come in contact with the external environment. They are commonly found on the skin, as well as in the respiratory tract and the gastrointestinal tract. Commensal bacteria acquire nutrients and a place to live ...
Explanation:
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