Page 2 - HA-2
P. 2

7.   Forelimbs of man and frog are they homologous or analogous organs? Give
                   reason for your choice. How does it help in the study of evolution?
              8.   How did Miller and Urey prove that all living organisms originated form inorganic
                   materials? Explain.
              9.   What is meant by the term speciation? List and explain three factors which could
                   lead to speciation.
             10.  Two people looks similar but they have different ancestors. Again two people look
                   different but they have common ancestors. Justify the statement.



















































                                                              2
   1   2