Biology CLEP Prep Practice Exam

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Prepare for the Biology CLEP Test with comprehensive flashcards and multiple choice questions. Each question comes with explanations and hints to ensure a full understanding. Boost your exam readiness today!

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What term is used to describe when two organisms of different species interact?

Competition
Adaptation
Symbiosis
Evolution

The correct answer is: Symbiosis

Symbiosis is the term used to describe when two organisms of different species interact. This can take many forms such as parasitism, mutualism, and commensalism. Competition (A) refers to the struggle between individuals or groups for resources, while adaptation (B) is the process by which organisms adjust to their environment in order to survive. Evolution (D) is the gradual change in the characteristics of a species over time. While all of these terms may involve interactions between species, symbiosis specifically describes a close and prolonged interaction between two different species. Therefore, symbiosis is the most appropriate term for describing this type of interaction.