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Chapter 53: Q4TYU (page 1188)

Analyzing ecological footprints reveals that

(A) Earth鈥檚 carrying capacity would increase if per capita meat consumption increased.

(B) current demand by industrialized countries for resources is much smaller than the ecological footprint of those countries.

(C) it is not possible for technological improvements to increase Earth鈥檚 carrying capacity for humans.

(D) the ecological footprint of the United States is large because per capita resource use is high.

Short Answer

Expert verified
  1. The statement 鈥淓arth鈥檚 carrying capacity would increase if per capita meat consumption increased鈥� is false.
  2. The statement 鈥渃urrent demand by industrialized countries for resources is much smaller than the ecological footprint of those countries鈥� is false.
  3. The statement 鈥渋t is not possible for technological improvements to increase Earth鈥檚 carrying capacity for humans鈥� is false.
  4. The statement 鈥渢he ecological footprint of the United States is large because per capita resource use is high鈥� is true.

Step by step solution

01

Ecological footprint

In environmental science, the resource accounting tool that calculates the human demand on the natural environment to produce their resources is called ecological footprint.

02

Explanation of option ‘(A)’

The term per-capita meat consumption represents the consumption of meat by a person every year.

Thus, per-capita meat consumption does not increase the Earth鈥檚 carrying capacity.

Therefore, the given statement is false.

03

Explanation of option ‘(B)’

The different resources represented in the ecological footprint are fiber products, fish products, plant-based food, and forest product.

Thus, lots of resources are used by industrialized countries.

Therefore, the given statement is false.

04

Explanation of option ‘(C)’

In biology and environmental science, the Earth鈥檚 carrying capacity represents the maximum species population size sustaining in a specific environment.

Thus, the harmful impact on the nation in the world can be reduced by some technology.

Therefore, the given statement is false.

05

Explanation of option ‘(D)’

The ecological footprint is the easiest way to measure human activities concerning the need for land and water.

Thus, the ecological footprint becomes higher due to the use of resources at the individual level in the United States.

Therefore, the given statement is true.

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Most popular questions from this chapter

Now let鈥檚 see how the growth of a real-world population of Daphniacorresponds to this model. At what times in Figure 53.11b is the Daphniapopulation changing in ways that correspond to the values you calculated? Hypothesize why the population drops below the carrying capacity briefly late in the experiment.

You are testing the hypothesis that increased population density of a particular plant species increases the rate at which a pathogenic fungus infects the plant. Because the fungus causes visible scars on the leaves, you can easily determine whether a plant is infected. Design an experiment to test your hypothesis. Describe your experimental and control groups, how you would collect data, and what results you would see if your hypothesis is correct.

The graph of the derivative \(f'\) of a continuous function \(f\) is shown

  1. On what intervals is f increasing? Decreasing?
  2. At what values of \(x\) does f have a local maximum? Local minimum?
  3. On what intervals is f concave upward? Concave downward?
  4. State the \(x\)-coordinate(s) of the point(s) of inflection.
  5. Assuming that \(f\left( 0 \right) = 0\), sketch the graph of f.

44.

Explain why a constant per capita rate of growth (r) for a population produces a curve that is J-shaped.

Which of the following statements about human populations in industrialized countries is incorrect?

(A) Birth rates and death rates are high.

(B) Average family size is relatively small.

(C) The population has undergone a demographic transition.

(D) The survivorship curve is Type I.
See all solutions

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