Life on Earth Probably Evolved in the Ocean

question 41

Multiple Choice

Life on Earth probably evolved in the ocean. Which statement supports this view?

• A)The cellular makeup of all living organisms depends on saline water within their cells to dissolve and transport chemicals.
• B)Biosynthesis cannot occur without high concentrations of free oxygen, similar to the condition of Earth's early atmosphere and ocean.
• C)In laboratory experiments, complex life formed spontaneously in a solution similar to that of Earth's early ocean.
• D)The oldest fossils yet found are remnants of land-based organisms.

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ANOVA F Test

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Chi-squared Test

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Nominal Data

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A specialized procedure or skill set used to accomplish a specific task effectively.