Page 13 - Science and Technology Std 3
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              Growing

              Living organisms grow to different heights and sizes. If you
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              sow a seed, after some time, it will grow into a seedling and
              later into a mature plant.
























                                  Figure 4  Growth stages of plants



              Human beings, like other animals, increase in height and
              mass. They pass through different stages of development. The
              stages are infancy, childhood, teenage, adulthood and  late
              adulthood(elderly).




























                               Figure 5  Stages of human development


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                                     PROPERTY OF UNITED REPUBLIC OF TANZANIA GOVERNMENT
                                           Ministry of Education, Science and Technology
       Science  and Technology 3.indd   6                                                     03/08/2019   11:01
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