BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 58, Problem 1IQ
Why do
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In the past two decades, the human population growth rate has:
a) remained steady
b) increased
c)decreased
Which of the following is true of a population approaching its carrying capacity?
a) The population’s emigration is greater than its immigration.
b) The population has access to unlimited resources.
c) Intraspecific competition decreases.
d) The population’s rate of increase approaches zero.
In the logistic model of population growth, per capita growth rates are highest at __ densities and population growth rates are highest at ___ density (NOTE: assume ‘high’ refers to at or near K).
A) low, intermediate
B) low, low
C) low, high
D) None of the above are true
Chapter 58 Solutions
BIOLOGY
Ch. 58.1 - Describe the history of extinction through time.Ch. 58.1 - Prob. 2LOCh. 58.2 - Prob. 1LOCh. 58.2 - Prob. 2LOCh. 58.3 - Prob. 1LOCh. 58.3 - Explain how these causes can interact to bring...Ch. 58.4 - Prob. 1LOCh. 58.4 - Describe the potential roles of natural selection...Ch. 58.4 - Prob. 3LOCh. 58.5 - Prob. 1LO
Ch. 58.5 - Prob. 2LOCh. 58.5 - Prob. 3LOCh. 58 - If we assume that population density is a good...Ch. 58 - Prob. 2DACh. 58 - Would the extinction rate increase if an area were...Ch. 58 - Prob. 4DACh. 58 - Why do population density and growth rates differ...Ch. 58 - Why might whale populations fail to recover once...Ch. 58 - Why do small populations lose genetic variation?Ch. 58 - Prob. 1UCh. 58 - The economic value of indirect ecosystem services...Ch. 58 - The amphibian decline is best described as a....Ch. 58 - Prob. 4UCh. 58 - When populations are drastically reduced in size,...Ch. 58 - A captive-breeding program followed by release to...Ch. 58 - Historically, island species have tended to become...Ch. 58 - Ninety-nine percent of all the species that ever...Ch. 58 - To effectively address the biodiversity crisis,...Ch. 58 - The introduction of a nonnative predator to an...Ch. 58 - If 99% of the species that ever existed are now...Ch. 58 - Prob. 2SCh. 58 - Prob. 3SCh. 58 - Prob. 4SCh. 58 - Prob. 5S
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- What are the Effects of the recent human population explosion?arrow_forwardA human population of 10,000 individuals has a birth rate of 90 per every 1000 persons and a death rate of 16 per every 1000 individuals. Calculate the yearly increase of the population growth. a) 740 individuals/year b) 74 individuals/year c) 10,074 individuals/year d) 11,074 individuals/yeararrow_forwardgiven an annual growth rate of 1.5%, how long would it take a population of 5 billion to grow to 10 billion?arrow_forward
- What are the main limiting factors for the growth of a population?arrow_forwardIn the graph below, the top line (with the triangles) represents the of the three curves. In the graph below, the top line (with the triangles) represents the 100 90 80 S70 560 50 40 30 20 10 0 Population Size ΟΟΟ URT RT T RT lowest carrying capacity slowest growth rate Ohighest carrying capacity fastest growth rate Population Growth - of the three curves. → LT L 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 Generationarrow_forwardThis growth trend depicted on the graph is called_, which means the population grows without limits. Potential Deer Population Growth in 10 Years based on initial growth rate at George Reserve Deer Herd 1000 900 800 700 600 500 400 300 200 100 1 2 4 5 6 7 10 Years a) logistic population growth b) exponential population growth c) sinusoidal population growth d) cannot be determined from graph. Population Sizearrow_forward
- how does brain cancer affect carrying capacity, population density and population growth rates?arrow_forwardWhy has human population growth, which increased exponentially for centuries, started to decline in the past few decades?arrow_forwardHow does a fertility rate above RLF produce positive feedback (in which a change creates a situation that amplifies itself) for population growth?arrow_forward
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