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8a) This is a stromatolite fossil. Based on the eon you identified when stromatolites firs appeared, why were stromatolites so important for the development of other organisms and Earth as a habitable planet? (Hint: Think about how they lived via photosynthesis). b) What does the discovery of these fossils tell geologists about the depth of paleoenvironments in which stromatolites were formed? Explain your reasoning.

8a) This is a stromatolite fossil. Based on the eon you identified when stromatolites firs appeared, why were stromatolites so important for the development of other organisms and Earth as a habitable planet? (Hint: Think about how they lived via photosynthesis). b) What does the discovery of these fossils tell geologists about the depth of paleoenvironments in which stromatolites were formed? Explain your reasoning.

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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8a) This is a stromatolite fossil. Based on the eon you identified when stromatolites firs appeared, why were stromatolites so important for the development of other organisms and Earth as a habitable planet? (Hint: Think about how they lived via photosynthesis). b) What does the discovery of these fossils tell geologists about the depth of paleoenvironments in which stromatolites were formed? Explain your reasoning.
Transcribed Image Text:8a) This is a stromatolite fossil. Based on the eon you identified when stromatolites firs appeared, why were stromatolites so important for the development of other organisms and Earth as a habitable planet? (Hint: Think about how they lived via photosynthesis). b) What does the discovery of these fossils tell geologists about the depth of paleoenvironments in which stromatolites were formed? Explain your reasoning.
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