Match the forms of life below with the earliest (approximate) time that it existed. Note: the earth is approximately 4.5 billion years old. A. earliest life - first prokaryotes (bacteria / archea) v 1/4 billion years ago B. dinosaurs 2 billion years ago C. first animals (sponges / jelly fish) v 0.5 billion years ago first plants and animals to live on land (and not in the D. ocean) ess than 0.1billion years ago E early humans v 0.7 billion years ago first modern eukaryotic single-celled 4 billion years ago organisms (protists): NOTE: eukaryotic celis have a F. nucleus and organelles in contrast to prokaryotes such as bacteria.

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A: Fossils are the remains of the organisms that were present on the earth in the past.

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Q: Scientists Stanley Miller and Harold Urey set up an experiment modeling the environmental conditions…

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Q: The fossil record provides evidence for:    A.When organisms lived on earth   B. How some species…

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Q: Which staterment from the choices below, BEST describes scientists current understanding of the…

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Q: Oparin-Haldane hypothesis

A: Answer:

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Q: Based on the Origin of Life by John H. McClendon, which of theories is most plausible

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