Mastering Biology with Pearson eText -- Standalone Access Card -- for Campbell Biology (10th Edition)
10th Edition
ISBN: 9780321833143
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Chapter 53, Problem 53.6CR
The human population is no longer growing exponentially but is still increasing rapidly (pp. 1205-1209)
• Since about 1650, the global human population has grown exponentially, but within the last 50 years, the rate of growth has fallen by half. Differences in age structure show that while some nations' populations are growing rapidly, those of others are stable or declining in size. Infant mortality rates and life expectancy at birth vary widely in different countries.
• Ecological footprint is the aggregate land and water area needed to produce all the resources a person or group of people consume and to absorb all of their waste. It is one measure of how close we are to the
How do humans differ from other species in the ability to "clloose" a carrying capacity for their environment?
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Chapter 53 Solutions
Mastering Biology with Pearson eText -- Standalone Access Card -- for Campbell Biology (10th Edition)
Ch. 53.1 - DRAW IT Each female of a particular fish species...Ch. 53.1 - Prob. 2CCCh. 53.1 - Prob. 3CCCh. 53.2 - Explain why a constant per capita rate of growth...Ch. 53.2 - Prob. 2CCCh. 53.2 - Prob. 3CCCh. 53.3 - Explain why a population that fits the logistic...Ch. 53.3 - WHAT IF? Given the latitudinal differences in...Ch. 53.3 - Prob. 3CCCh. 53.4 - Prob. 1CC
Ch. 53.4 - Prob. 2CCCh. 53.4 - Prob. 3CCCh. 53.5 - Prob. 1CCCh. 53.5 - WHAT IF? Suppose you were studying a species that...Ch. 53.5 - Prob. 3CCCh. 53.6 - How does a human population's age structure affect...Ch. 53.6 - Prob. 2CCCh. 53.6 - Prob. 3CCCh. 53 - Gray whales (Eschrichtius robustus) gather each...Ch. 53 - Suppose one population has an r that is twice as...Ch. 53 - Prob. 53.3CRCh. 53 - Prob. 53.4CRCh. 53 - Density-dependent factors regulate population...Ch. 53 - The human population is no longer growing...Ch. 53 - Population ecologists follow the fate of same-age...Ch. 53 - A population's carrying capacity (A) may change as...Ch. 53 - Scientific study of the population cycles of the...Ch. 53 - Analyzing ecological footprints reveals that (A)...Ch. 53 - Prob. 5TYUCh. 53 - The observation that members of a population are...Ch. 53 - According to the logistic growth equation...Ch. 53 - Prob. 8TYUCh. 53 - During exponential growth, a population always (A)...Ch. 53 - Which of the following statements about human...Ch. 53 - Prob. 11TYUCh. 53 - Prob. 12TYUCh. 53 - Prob. 13TYUCh. 53 - Prob. 14TYUCh. 53 - WRITE ABOUT A THEME: INTERACTIONS In a short essay...Ch. 53 - SYNTHESIZE YOUR KNOWLEDGE Locusts (grasshoppers in...
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- Describe the age structures in rapidly growing countries, slowly growing countries, and countries with zero population growth.arrow_forwardWhich of the following is not a way that humans have increased the carrying capacity of the environment? agriculture using large amounts of natural resources domestication of animals use of languagearrow_forwardDo the questions below the mosquito pleasearrow_forward
- How do life expectancy and infant mortality affect the population size of a country?arrow_forwardHow is growth of population represented?arrow_forwardYour short answer should be 2-5 sentences depending on the question. (Ch. 53). Please answer both questions. 1) Describe the characteristics of populations that exhibit Type I, Type II, and Type III survivorship curves. 2) Compare the exponential model of population growth with the logistic model.arrow_forward
- The global human population has surpassed 7 billion, far exceeding our population’s size throughout our history on Earth. Name some specific means by which we have apparently raised Earth’s carrying capacity for our species. Do you think we can continue to raise our carrying capacity? How might we do so? What limiting factors exist for the human population today? Might Earth’s future carrying capacity for us decrease? Why or why not?arrow_forwardThe CDC released the following data in its 2013 Vital Statistics report. Age interval Number dying in age interval Number surviving at beginning of age interval 0-10 756 100,000 11-20 292 99,244 21-30 390 98,953 31-40 1,234 98,164 41-50 2,457 96,311 51-60 5,564 94,352 61-70 10,479 38,788 Table 45.3 Calculate the mortality rate for each age interval, and describe the trends in adult and childhood mortality per 100,000 births in the United States in 2013.arrow_forwardImprovements in nutrition and health care typically increase life expectancies and decreas mortality rates but don't increase the rate of population growth. T or F?arrow_forward
- Identify the demographic transition stage for a country that has an age structure consisting of a large number of people in the pre-reproductive age group due to continuous births , but also has a small amount of people in the elderly population due to death rates falling. a) Stage 1 b) Stage 2 c) Stage 3 d) Stage 4arrow_forwardaccording to Joel Cohen: An Introduction to Demography, is there a food problem now? Can we grow enough food to feed everyone adequately now and in the next half century? Does a rich country like the U.S. have food problems?arrow_forwardIn terms of the human population of the Earth, what factors might impact human population growth over the next century? Our current system of agriculture depends extensively on inexpensive fossil fuels and is likely to be impacted by climate change by the late 21st century. Declining birthrates, especially in the developing world, are likely to bring the human race to the brink of extinction. Soon, there will not be enough room for humans to live. The human population will likely continue to increase exponentially for centuries.arrow_forward
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