In scientific notation, the radius of each bacterium in a petri dish is 3.15 × 10-7 meter. The radius of the bacterium written as a decimal number in standard form is?

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linnaeus is the father of taxonomy, which is the system of classifying and naming organisms. one of his contributions was the development of a hierarchical system of classification of nature. today, this system includes eight taxa: domain, kingdom, phylum, class, order, family, genus, and species.

answerblank(1); ecological; blank(2); evolutionary;