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Similarly , some biologists study the early molecular evolution that gave rise to life ; since the events that preceded life are not biological events , these scientists are also excluded from biology in the strict sense of the term . From its earliest beginnings , biology has wrestled with three questions : What are the shared properties that make something `` alive '' ? And once we know something is alive , how do we find meaningful levels of organization in its structure ? And , finally , when faced with the remarkable diversity of life , how do we organize the different kinds of organisms so that we can better understand them ? As new organisms are discovered every day , biologists continue to seek answers to these and other questions .
Please check all the words that can be used instead of the target word in the same context. Note that the morphology of the target (third person singular, past tense etc.) is considered to be applied to the candidate automatically in the process of paraphrasing.