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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Textbook Question
Chapter 21.5, Problem 2SB
Why are most organisms adapted to the environments in which their parents lived?
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Chapter 21 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 21.1 - If a population of skunks includes some...Ch. 21.1 - Prob. 2SBCh. 21.1 - What factors contribute to phenotypic variation in...Ch. 21.2 - Prob. 1SBCh. 21.2 - Why is the Hardy-Weinberg principle considered a...Ch. 21.2 - Prob. 3SBCh. 21.3 - Which agents of microevolution tend to increase...Ch. 21.3 - Which mode of natural selection increases the...Ch. 21.3 - In what way is sexual selection like directional...Ch. 21.4 - How does the diploid condition protect harmful...
Ch. 21.4 - Prob. 2SBCh. 21.4 - Prob. 3SBCh. 21.5 - How can a biologist test whether a trait is...Ch. 21.5 - Why are most organisms adapted to the environments...Ch. 21 - The reason spontaneous mutations do not have an...Ch. 21 - The phenomenon in which chance events cause...Ch. 21 - Prob. 3TYKCh. 21 - Prob. 4TYKCh. 21 - Prob. 5TYKCh. 21 - Which of the following represents an example of...Ch. 21 - A population of mice is at HardyWeinberg...Ch. 21 - If the genotype frequencies in a population are...Ch. 21 - An Eastern European immigrant carrying the allele...Ch. 21 - If a storm kills many small sparrows in a...Ch. 21 - Prob. 11TYKCh. 21 - Discuss Concepts Many human diseases are caused by...Ch. 21 - Prob. 13TYKCh. 21 - Apply Evolutionary Thinking Captive breeding...Ch. 21 - Prob. 15TYKCh. 21 - Design an experiment to test the hypothesis that...Ch. 21 - Peter and Rosemary Grant of Princeton University...
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- A group of people have already been chosen to go on the first manned space flight to Mars. Describe the evolutionary forces that would affect the Mars colonizers if this small group of people remain on Mars and reproduce.arrow_forwardWhy is it important for organisms to adjust the timing of their life history to seasonal changes in the environment?arrow_forwardIf two groups of mice live on opposite sides of a river, they are two separate species. What two processes must have occurred in order for them to have become separate species?arrow_forward
- According to this chart, which organism is most closely related to humans, why do you think so?arrow_forwardIf an altered structure, such as the long neck of the giraffe, is advantageous, why don’t all species have that structure?arrow_forwardWhat role do mutations play in the fragment presented above? How is the mechanism of natural selection represented in this situation? How does the reduction in body armor represent an adaptation?arrow_forward
- Does the environment affect the organisms directly or indirectly? What is the advantage of spatial heterogeneity?arrow_forwardSo how can individual selection result in low reproductive rates or short life spans?arrow_forwardHow old was the world thought to be when Darwin began his voyage? How old is it thought to be now?arrow_forward
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