Biology
Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 25.3, Problem 3TC

Consider the graph shown in Figure E25-2. Imagine that the population of one particular endangered species has declined at the same rate each year, and that the rate of decline was equal to the estimated average rate for endangered species. If the initial population of this species included 1,000 individuals, what would its population size be 10 years later? Draw a graph showing how the species’ population changed over 10 years, and then extend the graph to show its projected population after 50 years. What assumptions underlie your projection?

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A population that did not grow in close relation to the amount of resources available in the environment, and dramatically overshot the carrying capacity, would experience: A. logistic growth, such as shown on the S-shaped curve B. exponential growth, such as shown on the J-shaped curve C. unpredictable growth, such as shown on the ?-shaped curve D. exponential growth, such as shown on the S-shaped curve E.logistic growth, such as shown on the J-shaped curve
Explain the difference between logistic and exponential population growth.  What do these growth curves look like. Which represents human population growth over the last few thousand years?
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