div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Unit 3 src=https:reader036fdocumentsusreader036viewer202208090755a97ffc1a28ab35288b45cfhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divpUNIT 3POPULATIONpdiv