Campbell Essential Biology (7th Edition)
7th Edition
ISBN: 9780134765037
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece
Publisher: PEARSON
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Textbook Question
Chapter 14, Problem 15BS
Many biologists think the current rate of species extinction indicates that a sixth mass extinction is underway. Life has endured numerous mass extinctions and has always bounced back. How might the impact of human activities make this sixth mass extinction different from previous mass extinctions?
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Chapter 14 Solutions
Campbell Essential Biology (7th Edition)
Ch. 14 - Distinguish between microevolution, speciation,...Ch. 14 - Identify each of the following reproductive...Ch. 14 - Why is a small, isolated population more likely to...Ch. 14 - Many species of plants and animals adapted to...Ch. 14 - Mass extinctions a. cut the number of species to...Ch. 14 - Prob. 6SQCh. 14 - A paleontologist estimates that when a particular...Ch. 14 - Why are biologists careful to distinguish...Ch. 14 - In the three-domain system, which two domains...Ch. 14 - Prob. 10IMT
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- We (humans) do not have any ethical burden to worry about other species because extinction is a natural process. True or False?arrow_forwardWhat are the five mass extinctions of the past and the current theory of the sixth mass extinction? For each extinctions, what caused the extinction and how was ecosystem stability impacted? Was there any speciation that occurred afterward?arrow_forwardIf extinction is a natural part of life on Earth, why should we care about protectingendangered species Explainarrow_forward
- Do you think generalist or specialized species would be better able to adapt and avoid extinction if the environment changed rapidly, for example, as a result of forced climate change? Why?arrow_forwardWhich of the following is believed to be common among all mass extinction events? the type of event that causes the extinction the number of species that went extinct a significant change in the global climate the type of species that went extinctarrow_forwardWhich of the following scenarios best explains how resource partitioning can lead to adaptive radiation? The lack of competition between individuals leads to better survival and reproduction rates. The utilization of different resources requires different adaptations, selecting for different traits. The lack of competition leads to a more balanced ecosystem, resulting in more offspring. There is no connection between adaptive radiation and the resource partitioning in nature.arrow_forward
- Are humans the culprits of the sixth extinction? Cite two examples to justify your stand.arrow_forwardDistinguish between biological extinction and mass extinction. Does every species have the right to survive without human interference, regardless of whether they serve a useful purpose to humans? Explain?arrow_forwardBecause mass extinction is a natural process that may facilitate evolution during the period of thousands to millions of years that follow it, should humans be concerned about the current mass extinction we are causing? Why or why not?arrow_forward
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