What is Life? A Guide to Biology with Physiology
3rd Edition
ISBN: 9781464157745
Author: Jay Phelan
Publisher: W. H. Freeman
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Chapter 14, Problem 15MC
Summary Introduction
Introduction:
The rate at which human population is increasing is very high. The death rate is lower than the birth rate and hence a constant increase is observed.
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1.) At approximately what year did the human population enter an exponential growth phase?
2.) Prior to that time, what was the approximate carrying capacity of Earth?
3.) State three significant technological developments that have acted to increase the carrying capacity of Earth’s environment since that time.
4.) Provide two examples of density-dependent factors that are contributing to or have the potential to contribute to environmental resistance in human populations.
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.
A) Affluent, more developed nations consume a disproportionate amount of Earth’s resources and produce a disproportionate amount of wastes, including carbon dioxide and other greenhouse gases that are causing global climate change. The consequences of climate change include rising sea levels, drought, and extreme weather events. Do you think affluent countries should be responsible for helping poorer, less developed countries bear the financial burden of these consequences? Substantiate your answer B) Some people are not convinced that human-induced global climate change is a real phenomenon. Using your knowledge of the scientific process and the information from this chapter, develop arguments you could use to explain the scientific basis for saying that global climate change is truly occurring and that people are responsible for it.
Chapter 14 Solutions
What is Life? A Guide to Biology with Physiology
Ch. 14 - Prob. 1SACh. 14 - Prob. 2SACh. 14 - Prob. 3SACh. 14 - Prob. 4SACh. 14 - Prob. 5SACh. 14 - Prob. 6SACh. 14 - Prob. 7SACh. 14 - Prob. 8SACh. 14 - Prob. 9SACh. 14 - Prob. 10SA
Ch. 14 - Prob. 11SACh. 14 - Prob. 12SACh. 14 - Prob. 13SACh. 14 - Prob. 14SACh. 14 - Prob. 15SACh. 14 - Prob. 1MCCh. 14 - Prob. 2MCCh. 14 - Prob. 3MCCh. 14 - Prob. 4MCCh. 14 - Prob. 5MCCh. 14 - Prob. 6MCCh. 14 - Prob. 7MCCh. 14 - Prob. 8MCCh. 14 - Prob. 9MCCh. 14 - Prob. 10MCCh. 14 - Prob. 11MCCh. 14 - Prob. 12MCCh. 14 - Prob. 13MCCh. 14 - Prob. 14MCCh. 14 - Prob. 15MC
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- Based on current growth rates, Earth’s human population in2019 will be closest to(A) 2.5 million.(B) 4.5 billion.(C) 7.5 billion.(D) 10.5 billionarrow_forwardb) Figure 7 shows population growth of Proboscis monkeys over time. 2.0E carrying capacity V 1.5- Monkey populations 1.아- 0.5- Time Figure 7 i) State the type of population growth. ii) Proboscis monkeys nomally live in groups in their natural habitat. What is the dispersion pattern for this monkey population? iii) Describe what happens to Proboscis monkey population at V. 12 iv) Give one (1) possible example of density-dependent factor that affects the Proboscis monkey population.arrow_forward5. Below is the survivorship growth curve- (C) a) What does the x-axis on the graph in Model 2 represent? b) Which type of organism shows a steady decline in its population at all life stages? c) Which type of organism loses most of the individuals in its population at an early life stage? d) What survivor type are humans? Percentage of organisms surviving 100 10 1 Type III Type II Time Type Iarrow_forward
- Answer these questions A) A population of 25 animals is growing exponentially, and the population has a growth rate of 0.7. How big would the population be after 5 years? B) What's the difference between exponential and logistic growth?arrow_forwardOut of the following age groups , which has changed significantly the most over time in the United States? A) ages under 5 years B) ages above 80 years C) ages 25 to 34 years D) ages 35 to 44 yearsarrow_forwardThe concept of development should be broadened to include more than just one factor. briefly Discuss the factors that can be used to describe development in a nation?d) in brief Outline why the culture of a country might influence the costs, risks and benefits of doing business in that country.arrow_forward
- A type I survivorship curve is characterized by _______________. Question 31 options: A) low infant mortality, then low survival. B) a constant mortality rate. C) high infant mortality, then high survival. D) a long lifespan. Most populations are regulated by a single factor. Question 35 options: A) True B) Falsearrow_forwardWhich of the following populations would be growing? a) Geometric rate (1) = 0.63 b) Exponential growth rate (r) = 0.63 c) Net reproductive rate (R0) = 0.63 d) All of the above populations are growingarrow_forwardHow are the maps included here meaningful to the I-P*A*T equation? IPAT Equation: Impact = Population x Affluence x Technologyarrow_forward
- If the incidence rate of a very serious disease is 25/100,000 person-years and the prevalence of this disease in the population is 75/100,000, what is the average survival time of individuals who contract this disease? [Assume the population is in steady state] * Hint* Formula (D=P/IR)arrow_forwardProven Reserves 3% Other Asia 3% Other developin9 2% Indonesia 2% Kazakhstan 2% Other developing 2% Australia Other Asia. 3% Venezuela- 3% Nigeria 3% China Other developing 2% 5% United Stas United States 1% Euvope Pussia 5% 13% AUal 10% Canada 6% 7% 8% 17% 3% Qther developed 18% Venezuela 9% 21% China 2295 Untrd States 2% Nigeria 16% Saud Arabis 18% 13% 2% Kazakhstan 10% lian 14% 9% 6% 6% LAE 5% 3% Germany 2% Poland 4% 3% Lraine Other Southwest Asia Saudi Arabia 3% UAE 2% Algeria 3% Okher Southwest Asla 3% Other developed 2% iraq 3% Libya Kuwali (a) (b) (c) Developed Developingarrow_forward49) Carrying capacity is A) seldom exceeded in real populations. B) the maximum population size that a particular environment can support. C) fixed for most species over most of their range most of the time. D) determined by density and dispersion data. E) the term used to describe the stress a population undergoes due to limited resources. 17) The small intestine has a very large surface area that directly facilitates high rates of A) digestion. B) absorption. C) elimination. D) filtration.arrow_forward
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