Question

The fossil shown in the image is evidence that supports which of the following statements? Choose one: A. These are fossilized secretions of bacterial cells in rocks exposed by receding glaciers, which suggests that bacteria existed as early as 3.7 billion years ago, close to a period of time when Earth was being bombarded by asteroids. B. These are fossilized secretions of archaean cells in rocks exposed by receding glaciers, which suggests that archaeans evolved after eukaryotic cells as early as 3.7 billion years ago, close to a period of time when Earth was increasing in molecular oxygen concentration from autotrophy. C. These are fossilized secretions of eukaryotic cells in rocks exposed by receding glaciers, which suggests that eukaryotic cells evolved well before prokaryotic cells as early as 3.7 billion years ago, close to a period of time when molecular oxygen on Earth was being consumed because of eukaryotic heterotrophy. D. None of these statements describe this image of a fossil record from Greenland. These fossilized structures are from nonliving phenomena, while all three of the other choices reference the rise of cellular life.

          The fossil shown in the image is evidence that supports which of the following statements?

Choose one:
A. These are fossilized secretions of bacterial cells in rocks exposed by receding glaciers, which suggests that bacteria existed as early as 3.7 billion years ago, close to a period of time when Earth was being bombarded by asteroids.
B. These are fossilized secretions of archaean cells in rocks exposed by receding glaciers, which suggests that archaeans evolved after eukaryotic cells as early as 3.7 billion years ago, close to a period of time when Earth was increasing in molecular oxygen concentration from autotrophy.
C. These are fossilized secretions of eukaryotic cells in rocks exposed by receding glaciers, which suggests that eukaryotic cells evolved well before prokaryotic cells as early as 3.7 billion years ago, close to a period of time when molecular oxygen on Earth was being consumed because of eukaryotic heterotrophy.
D. None of these statements describe this image of a fossil record from Greenland. These fossilized structures are from nonliving phenomena, while all three of the other choices reference the rise of cellular life.

The fossil shown in the image is evidence that supports which of the following statements?

Choose one:
A. These are fossilized secretions of bacterial cells in rocks exposed by receding glaciers, which suggests that bacteria existed as early as 3.7 billion years ago, close to a period of time when Earth was being bombarded by asteroids.
B. These are fossilized secretions of archaean cells in rocks exposed by receding glaciers, which suggests that archaeans evolved after eukaryotic cells as early as 3.7 billion years ago, close to a period of time when Earth was increasing in molecular oxygen concentration from autotrophy.
C. These are fossilized secretions of eukaryotic cells in rocks exposed by receding glaciers, which suggests that eukaryotic cells evolved well before prokaryotic cells as early as 3.7 billion years ago, close to a period of time when molecular oxygen on Earth was being consumed because of eukaryotic heterotrophy.
D. None of these statements describe this image of a fossil record from Greenland. These fossilized structures are from nonliving phenomena, while all three of the other choices reference the rise of cellular life.

Added by Elsye M.

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