42. is the regulation of an organism’s internal environment tomaintain conditions needed for life. A. HomeostasisB. ReproductionC. Adaptation

Homeostasis by definition is the capacity of organisms to maintain an inner stable condition, that is to say, is a state of equilibrium between all the organism systems necessary to survive and function properly. reproduction is the process by which new organisms are generated meanwhile adaptation is a trait that increases the organism's fitness and evolve. Therefore we can say that the correct answer is option A.

homeostasis

Explanation:

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