Match each definition in the first column to the correct term in the second column.
-A testable explanation for an observation.

Question

Quizplus · Accepted Answer

A hypothesis is a testable explanation for an observation.

Answer: G
 A theory is a well-substantiated explanation for a broad set of observations.

Answer: C
 Metabolism refers to all the chemical processes that occur within a living organism in order to maintain life.

Answer: D
 An informed consent agreement is a document that must be signed by study participants to confirm their understanding of the risks and benefits of a study.

Answer: F
 Homeostasis refers to the ability of an organism to maintain a stable internal environment despite changes in external conditions.

Answer: H
 Critical thinking is a process of evaluating information and arguments in a systematic and unbiased manner.

Answer: I
 A placebo is an inert substance or treatment that is given to some participants in a study in order to control for the effects of expectations.

Answer: A
 An adaptive trait is a characteristic that has developed over time to increase an organism's chances of survival and reproduction.

Answer: J
 Epidemiologic studies are research studies that investigate the causes and patterns of disease in populations.

Answer: B
 An ecosystem refers to all the living and nonliving components of a particular environment and the complex interactions among them.

Match Each Definition in the First Column to the Correct