Biology: Life on Earth (11th Edition)
11th Edition
ISBN: 9780134168296
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Chapter 18, Problem 2RQ
Summary Introduction
To review:
The effect of photosynthesis in the subsequent evolution of life on the earth.
Introduction:
After the origin of a living cell, some of them evolved to produce high energy complex molecule (glucose) from the simple molecule [water (H2O), carbon dioxide (CO2)] using sunlight. This process is known as photosynthesis, which gave rise to oxygen.
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Chapter 18 Solutions
Biology: Life on Earth (11th Edition)
Ch. 18 - 1. Almost all of the oxygen gas in today’s...Ch. 18 - Extinction a. generally does not occur except...Ch. 18 - 3. In the endosymbiotic origin of the...Ch. 18 - 4. Which of the following does not list...Ch. 18 - Prob. 5MCCh. 18 - 1. Because there was no oxygen in the earliest...Ch. 18 - 2. The molecule ________ became a candidate for...Ch. 18 - 3. Complex cells that contain a nucleus and other...Ch. 18 - 4. The sperm of early land plants had to reach the...Ch. 18 - 5. Early plants that protected their seeds within...
Ch. 18 - Prob. 6FTBCh. 18 - Amphibians gave rise to ____________, which had...Ch. 18 - 1. What is the evidence that life might have...Ch. 18 - Prob. 2RQCh. 18 - 3. Explain the endosymbiont hypothesis for the...Ch. 18 - 4. Name two advantages of multicellularity for...Ch. 18 - What advantages and disadvantages would...Ch. 18 - 6. Outline the major adaptations that emerged...Ch. 18 - Outline the evolution of humans from early...Ch. 18 - Extinctions have occurred throughout the history...Ch. 18 - In biological terms, what do you think was the...
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- Which scientists investigated the origins of organic molecules on the primordial Earth?arrow_forwardHow can we use the structures that are involved with photosynthesis and cellular respiration to determine the earliest forms of life and how they developed? Why is the study of endosymbosis vital for biology?arrow_forwardHow the evolution of oxygen was involved in the initial evolution of terrestrial life?arrow_forward
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