Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 25, Problem 2ITD
Summary Introduction
To review:
The modern levels of carbon dioxide and oxygen, as compared to the levels when they first came to exist.
Introduction:
The formation of Earth took place around 4.6 billion years ago. The asteroid impacts were at a peak after the earth’s formation but then started decreasing subsequently. The asteroid impacts ceased to be of consequence around 3.7 billion ago. As the asteroid impact decreased, the level of oxygen (O2) started increasing. The decrease in the impact of asteroid played a crucial role in the origin of life. The plausibility of life increased when the impact of asteroid diminished.
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Chapter 25 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 25.1 - Why is the reducing nature of early Earths...Ch. 25.1 - Prob. 2SBCh. 25.2 - Prob. 1SBCh. 25.2 - Prob. 2SBCh. 25.2 - Prob. 3SBCh. 25.3 - Prob. 1SBCh. 25 - Prob. 1TYKCh. 25 - Which of the following is not a characteristic of...Ch. 25 - Prob. 3TYKCh. 25 - According to the OparinHaldane hypothesis, the...
Ch. 25 - Prob. 5TYKCh. 25 - Prob. 6TYKCh. 25 - In a population of self-replicating RNA molecules,...Ch. 25 - Prob. 8TYKCh. 25 - Prob. 9TYKCh. 25 - Prob. 10TYKCh. 25 - Prob. 11TYKCh. 25 - Prob. 12TYKCh. 25 - Prob. 13TYKCh. 25 - Prob. 14TYKCh. 25 - Prob. 15TYKCh. 25 - Prob. 16TYKCh. 25 - Prob. 1ITDCh. 25 - Prob. 2ITDCh. 25 - Prob. 3ITD
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- The Miller experiment consisted of various gases, believed to have been present in the early atmosphere of Earth, exposed to an electrical arc. This experiment resulted in a. nothing. b. carbon dioxide gas and water vapor. c. amino acids. d. rain.arrow_forwardThe Miller-Urey experiment simulated compounds present in the atmosphere of early Earth, lightning, and the evaporation and condensation of atmospheric water. What other information about the conditions on Earth during this time period would you want to know to improve the experimentarrow_forwardDescribe in general terms how the appearance of molecular oxygen in Earth’s atmosphere about 3 billion years ago affected the history of living organisms.arrow_forward
- Answer the question briefly and explain it(The question is all about History of Life on Earth). Question: What was the Earth like million years ago? Describe.arrow_forwardAnalyze the following data table indicating the amount of Carbon Dioxide in Earth's atmosphere at certain periods of Earth's history. Millions of Years Ago 500 300 200 100 Carbon Dioxide Level (in parts per million) 6000 500 2000 1750 Identify which of the time periods would have been the warmest and describe how the concentration of greenhouse gases like carbon dioxide influence the temperature of Earth's atmosphere.arrow_forwardWhich of the following describes the organisms and/or processes that were most influential in the creation of early Earth ecosystems? a. Extinction of animals and domination of plants b. Build up the greenhouse gas carbon dioxide c. Prokaryotic production of an oxygen rich environment d. Eukaryotic growtharrow_forward
- Which of the following is true? A) Life originated around volcanic vents deep in the oceans. B) Life originated in lakes. C) Life originated on meteors.arrow_forwardWhich of the following events occurred earliest in Earth’s history? a. Membrane-enclosed structures developed. b. O2 gas accumulated in the atmosphere. c. Organic molecules formed. d. CO2 gas appeared in the atmospherearrow_forward"Life has shaped earth just by existing”. In 2-3 sentences, explain this statement briefly by citing an example.arrow_forward
- In Stanley Miller’s experiment to recreate the early Earth conditions that gave rise to life, describe which part of the experimental instruments mimicked the ocean, the atmosphere, rain, and lightning.arrow_forwardFrom the choices below, identify those that are characteristics of all living things. (There may be more than one correct answer. Select all that apply.) A. Photosynthesis/aerobic respiration B. Use of energy/metabolism C. Reproduction/inheritance/evolution D. Ability to invade other cellsarrow_forwardThe numbers of the bottom of the chart represents the number of years. What do you think is/are the reasons on the rise and decline of oxygen levels on earth as years go by?arrow_forward
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