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</div><h2>SL Paper 1</h2><div class="question">
<p>The diagram below shows a population growth curve.</p>
<p><img src="data:image/png;base64,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" alt></p>
<p>At which time in the population growth curve does the population size begin to decline?</p>
<p>A Between the time marked 1 and 2<br>B. During the time marked 2<br>C Between the time marked 2 and 3<br>D. The graph does not show a time when population size declines</p>
</div>
<h2 style="margin-top: 1em">Markscheme</h2>
<div class="question">
<p>D</p>
</div>
<h2 style="margin-top: 1em">Examiners report</h2>
<div class="question">
<p>N/A</p>
</div>
<br><hr><br><div class="question">
<p>Population growth, as shown by the curve below, is the result of changes in mortality, natality, immigration and emigration. Which of the following statements about population growth is correct?</p>
<p><img src="data:image/png;base64,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" alt></p>
<p>A. In phase I there is no mortality.<br> B. In phase II mortality equals natality and immigration equals emigration.<br> C. In phase III mortality and emigration are less than natality and immigration.<br> D. In phase II mortality and emigration are less than natality and immigration.</p>
</div>
<h2 style="margin-top: 1em">Markscheme</h2>
<div class="question">
<p>C</p>
</div>
<h2 style="margin-top: 1em">Examiners report</h2>
<div class="question">
<p>N/A</p>
</div>
<br><hr><br>