Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Chapter 40, Problem 4MCQ
Summary Introduction
Introduction:
Deforestation includes the destruction of trees from an area which may lead to the oxygen loss. The photosynthesis in the planet is reduced due to the deforestation.
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Why is the destruction of tropical forests so devastating?A. Tropical forests are considered a non-renewable resource due to the amountof time it takes for reforestation to occur.B. Tropical forests cover much less of the surface of the earth than other types offorests and are eliminated faster as a result.C. Tropical forests contain the habitats of the vast majority of life on earth.
D. Tropical forests are the primary source of income for many corporations andbusinesses.
Why has food production increased despite a net degradation in soil?A. The productivity of the land being used has increased, so more food is beingproduced.B. The widespread use of fertilizers enables more food to be grown than inprevious years.C. Many countries have programs that reward farmers who practice soilconservation techniques.D. Farmers are developing more cropland from wilderness areas now comparedto the past.
What is the main reason that total forest area is increasing in many developed countries?
A. Technology is improving in the timber industry.
B. Natural forests have been replaced with planted and second-growth forests
C. Interest rates tend to be increasing
D. Falling timber prices make harvesting less profitable
Forest trees have trunks, branches, and big roots, contributing to large amounts of total biomass. Grasslands have comparatively less biomass, but have a larger net primary production than that of forests. Why is this so?
A. Less respiration is needed in the forest habitat
B. More biomass is added in a grassland in the same time as that of forests
C. The number of consumers within the forest is greater
D. Solar energy is converted to chemical energy at a much higher rate in forests
Chapter 40 Solutions
Biology: Concepts and Investigations
Ch. 40.1 - Prob. 1MCCh. 40.1 - Prob. 2MCCh. 40.1 - Prob. 3MCCh. 40.1 - Prob. 4MCCh. 40.2 - Prob. 1MCCh. 40.2 - Prob. 2MCCh. 40.2 - Prob. 3MCCh. 40.3 - Prob. 1MCCh. 40.3 - What are major sources of industrial smog,...Ch. 40.3 - Prob. 3MC
Ch. 40.4 - Prob. 1MCCh. 40.4 - Prob. 2MCCh. 40.4 - Prob. 3MCCh. 40.5 - Prob. 1MCCh. 40.5 - Prob. 2MCCh. 40.5 - Prob. 3MCCh. 40.6 - Prob. 1MCCh. 40.6 - Prob. 2MCCh. 40.6 - Prob. 3MCCh. 40.7 - Prob. 1MCCh. 40.7 - Prob. 2MCCh. 40 - Prob. 1MCQCh. 40 - Prob. 2MCQCh. 40 - What is the connection between agriculture in the...Ch. 40 - Prob. 4MCQCh. 40 - Prob. 5MCQCh. 40 - Prob. 1WIOCh. 40 - Prob. 2WIOCh. 40 - Prob. 3WIOCh. 40 - Prob. 4WIOCh. 40 - Prob. 5WIOCh. 40 - Prob. 6WIOCh. 40 - In what ways is the greenhouse effect both...Ch. 40 - Explain how habitat destruction, the increasing...Ch. 40 - Prob. 9WIOCh. 40 - Prob. 10WIOCh. 40 - Prob. 11WIOCh. 40 - Prob. 12WIOCh. 40 - Prob. 13WIOCh. 40 - Prob. 14WIOCh. 40 - Prob. 1PITCh. 40 - Prob. 2PITCh. 40 - Figure 40.27 Pull It Together: Preserving...
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- Which forest type is most under threat due to Palm Oil Agriculture? A. Tropical Rain Forest B. Temperate Rain Forests C. Boreal D. Temperate Deciduous Forestsarrow_forwardWhat environmental issue is associated with tropical rainforests due to human activities like deforestation? A. increased fire prevention B. loss of permafrost C. increased biodiversity D. fragmentationarrow_forwardUnderstanding that carbon cycles, what action could we do in order to remove carbon from the atmosphere? Group of answer choices a. Dig up less coal b. Discard less plastic in ocean surface water c. Clean up more leaf litter and animal waste d. Plant more treesarrow_forward
- How does carbon dioxide contribute to primary succession? A. Carbon dioxide increases the chances that primary succession will occur. B. Carbon dioxide decreases the chances that primary succession will occur. C. Carbon dioxide is not a factor in primary succession.arrow_forwardIn many areas, forests are burnt to clear land for agriculture. Explain how this method of deforestation would alter the carbon cycle.arrow_forwardUse the information and diagram to answer the following question. The diagram shows part of the carbon cycle. image If many trees are removed from a forest by logging, what is the MOST immediate effect on the carbon cycle in that forest? A. increased rate of decomposition B. decreased use of atmospheric carbon dioxide C. increased production of organic compounds D. decreased combustion of fossil fuelsarrow_forward
- 61. Approximately 45 million acres of tropical rainforest are destroyed each year. Which of these probably does NOT result from the burning and clearing of tropical rainforests? a. an increase in CO2 in the atmosphere b. a decrease in the sources for new medicines an increase in oxygen in the atmosphere d. a decrease in the biodiversity of the rainforest C.arrow_forwardThe carbon cycle is nature’s way of reusing carbon atoms, which travel from the atmosphere into organisms in the earth and then back into the atmosphere over and over again. Most carbon is stored in rocks and sediments, while the rest is stored in the ocean, atmosphere, and living organisms. Evaluate the carbon cycle model. Predict the changes that would occur within the carbon cycle as a result of deforestation. Choose all that apply A) there would be less carbon in the soil due to the loss of trees B) there would be an increase in atmospheric carbon due to less plant respiration C) there would be an increase in atmospheric carbon due to decreasing photosynthesis D) there would be an increase in oceanic carbon due to increasing atmospheric levels E) there would be an increase in atmospheric carbon due to increased emissions from burning of treesarrow_forwardIf there are many greenhouse gases, why is only carbon dioxide considered a cause of global warming?a. The other gases do not cause global warming.b. It isn’t. Scientists are concerned about other causes; for example, release of methane from melting permafrost could have significant effects on global warming.c. Other gases occur in such low quantities that they have little effect on the climate.d. Carbon dioxide is the only gas that absorbs long-wavelength infrared radiation.arrow_forward
- Which of the following natural forces is responsible for the release of carbon dioxide and other atmospheric gases? a. the Milankovitch cycles b. volcanoes c. solar intensity d. burning of fossil fuelsarrow_forwardWhy are many people especially concerned about the release of carbon dioxide through fossil fuel combustion? A. Carbon dioxide is by far the most abundant of the greenhouse gases released through human activities. B. More than any other climate driver, carbon dioxide has contributed the most to the global rise in temperature since the industrial revolution. C. Carbon dioxide turns over very slowly, so the carbon dioxide released into the atmosphere today can affect the global climate for thousands of years into the future. D. All of the above are correct E. None of the above are correctarrow_forwardExplain how building roads into previously inaccessible forests can harm the forests. Distinguish amongselective cutting, clear-cutting, and strip cutting in he harvesting of trees. What are two types of forestfires? What are some benefits of occasional surfacefires?arrow_forward
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