Home Page Textbooks Prentice Hall Biology (California) Page 165: Standards Practice

Prentice Hall Biology (California)

1st Edition

Kenneth R. Miller, Levine

ISBN: 9780132013529

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Page 165: Standards Practice

Exercise 2

Solution 1

Solution 2

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Renewable resources are resources that can be replaced or replenished. Examples of renewable resources include wind, sunlight, water and trees. Fossil fuel is a resource that is not renewable.

Result

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D. fossil fuels

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D. fossil fuels

(In case anyone was looking for question 1, the answer is D. II and III only)

Exercise 3

Solution 1

Solution 2

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D. biological magnification

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Forests are important as they provide habitat for organisms and also help stabilize the soil. Hence, deforestation can result in soil erosion as well as the destruction of habitats.

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Additionally, deforestation can also result in chemical changes in the soil as well as decreased productivity of the ecosystem. Thus, **biological magnification** is not the result of deforestation.

Result

3 of 3

Exercise 4

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Biodiversity refers to the variety of organisms and other life forms that exist in the biosphere.

Result

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A. biodiversity

Exercise 5

Solution 1

Solution 2

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Sustainable development refers to the responsible use of natural resources to avoid ts depletion. Flexibility, appropriate technology, efficiency, and productivity are characteristics of a sustainable development. Therefore, choice A is the correct answer.

Result

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A. instability

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A. instability

Exercise 6

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Solution 2

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D. oxygen

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One molecule of ozone (O$_3$) consists of three **oxygen** atoms. These oxygen atoms are held together by covalent bonds. These bonds are broken when ozone absorbs UV radiation.

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When ozone absorbs UV radiation, the bonds between the oxygen atoms are broken. This releases one molecule of oxygen (O$_2$) and an oxygen atom (O) that can reform ozone later on.

Result

3 of 3

Exercise 7

Solution 1

Solution 2

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Ozone depletion is caused by gases found in aerosol sprays and refrigerants. These things contain chlorofluorocarbons (CFCs) that are released into the Earth’s atmosphere.

Result

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E. CFCs

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E. CFCs

Exercise 8

Solution 1

Solution 2

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Biological magnification tells us that the pollutant concentration increases as it moves along the trophic levels of the organisms. In this case, the primary producers have the lowest pollutant concentration, whereas the top-level consumer gets the highest pollutant concentration.

Result

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D. biological magnification

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D. biological magnification

Exercise 9

Solution 1

Solution 2

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C. invasive species

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As shown in the given maps, the population of fire ants rapidly grew across the United States from 1953 to 1994. This suggests that the fire ants are to be considered as an **invasive species**.

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In this scenario, the fire ants are known as an invasive species because they were introduced into a nonnative area. Their rapid growth is due to the lack of limiting factors such as predation.

Result

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Exercise 10

Solution 1

Solution 2

Step 1

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E. have spread to a larger area

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As shown in the given maps, the population of fire ants appear to spread widely across the United States. It is very likely that fire ants are considered to be an invasive species in this area.

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Therefore, the fire ants are also likely to *spread to a larger area* as years go by due to the lack of limiting factors such as predators. As an invasive species, they are expected to grow rapidly.

Result

3 of 3

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Page 165: Standards Practice

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