A, C, and D do NOT make sense.
The answer is B. symbiosis , which is a relationship, good or bad, between two species.**
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The relationships between species that are adapted to each other, which can be mutually beneficial or involve exploitation, are called symbiosis . This term encompasses various forms of interactions such as mutualism, commensalism, and parasitism. Understanding these relationships is essential for studying ecosystems and biodiversity.
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