Reading Comprehension

PT153 · S4 · P1 · Q4 Forest Preservation

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Forests are among the world’s most valuable resources, both in a narrowly economic sense and in a broader, ecological sense.

Topic

Forests’ value, common misconceptions about their ecological functions, and analysis of claims about preservation versus economic use.

Framework

Present Debate (the passage examines various claims about forests and weighs arguments on both sides)

Main Point

In order to make wise policy decisions about preserving forests, we need a grounded understanding of both economic and ecological claims, and not all common arguments (like the oxygen myth) hold up, though biodiversity preservation remains a strong case for conservation. The Most Valuable Sentence: (End of P1)

P1: Forests’ Value and the Need for Clear Debate

Forests are crucial for both the economy and ecology, providing products and environmental benefits, but rational policy requires strong understanding of both sides of the conservation argument, especially regarding common claims about oxygen and biodiversity.

P2: The Oxygen Myth

Despite the common belief that forests are essential for oxygen production, this is a myth—forests on the whole do not create a net increase in oxygen because the decomposition cycle balances things out.

P3: Biodiversity and Its Importance

Preserving forests may be important for guarding undiscovered plants that could aid medicine, and many see protecting biodiversity as a moral or intrinsic good, regardless of economic utility.

4.

The stated relationship between the production of oxygen through photosynthesis and the consumption of oxygen in the process of tree decomposition (last two sentences of the second paragraph) is most analogous to which one of the following?

  1. Pay increases in a growing

    Bad Match: partially eroded

    We're looking for an answer where an increase is totally offset by a decrease, such that the result is neutral, a net gain/loss of nothing. This answer, however, says that increases can be partially eroded in certain circumstances. However, this would still be a Net Gain.

    14% picked this

  2. Endangered species of plants are

    Bad Match

    This doesn't have anything that matches up with "an increase is offset by a decrease". This is two good things -- the plants have babies more frequently and are more resistant to parasites.

    1% picked this

  3. Energy is expended in fertilizing

    Bad Match: more than pays for

    We're looking for an answer where an increase is totally offset by a decrease, such that the result is neutral, a net gain/loss of nothing. This answer, however, says that what we spend in energy is more than made up for with the cash we get back. So, this would be a Net Gain.

    5% picked this

  4. An increase in the value

    Bad Match

    This doesn't have anything that matches up with "an increase is offset by a decrease". This is two increases -- share value goes up and in one company, and share value goes up at other companies as well.

    2% picked this

  5. Correct

    Water evaporates from the ground

    Why this is right

    We're looking for an answer where an increase is offset by a decrease, such that the result is neutral, a net gain/loss of nothing. This answer describes the water cycle, in which water increases in the atmosphere as it evaporates from the ground, and then this same water then decreases in the atmosphere as it falls to the ground as precipitation. In the end, no water is really being added or taken away, just like with the life cycle of a tree, no oxygen is really being added or taken away.

    Skill tested: Analogy · how this choice captures the passage's function is the move to repeat next time.

    79% picked this

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