Astronomy 2021A/B Study Guide - Quiz Guide: Pearson Education, Micropaleontology, Stromatolite

• School: Western University
• Department: Astronomy
• Course: Astronomy 2021A/B
• Professor: Chris Racknor

Document Summary

D) studies of martian meteorites studies of organisms living around deep-sea ocean vents studies of the fossil record laboratory simulations of conditions present on the early earth: stromatolites are. 3. 85 billion years ago: 4. 0 billion years ago, the study of stromatolites tells us that the origin of life on earth must have ocurred, more than 3. 5 billion years ago. D) exactly 3. 5 billion years ago less than 3. 5 billion years ago exactly 3. 85 billion years ago: the layered colonies of microbes found in western australia that resemble some of the. Chapter 6: the origin and evolution of life on earth zircons. C: protocorals, microbes in the top layers of living stromatolites in western australia obtain their energy from, oxygen in the air. D) carbon-11: carbon-13, with an atomic number of 6 and a mass number of 13 has, 6 protons, 6 electrons, and 13 neutrons.