Image Sources

  1. D.G. Mackean 1999, Introduction to Biology, John Publishers, London.
  2. A dictionary of Biology 6th edition, Oxford, University Press, 2008.
  3. Seline Nyabuwa, Ben Nkwasibwe, Samuel Omoding and Dorothy Matovu (2010) New Biology, Longman.
  4. www.msnucleus.org>html>plants visited on the 1st November 2020.
  5. Ann Fullick, Halima Mwinshekhe, Mary Muddu and Seline Nyabuwa, 2011, A Level Biology Student book, Longman, Ingland, 488p.
  6. Virgilio O. K Muraga, James K. Magondu, James M.Ongati and Richard O. Ayieko 2013, Biology Senior 4 student’s book, East African Publishers Rwanda Ltd, 196p.
  7. Virgilio O. K Muraga, James K. Magondu, James M.Ongati and Richard O. Ayieko 2013, Senior Secondary Certificate Biology for Rwanda Student’s book, East African Publishers Rwanda Ltd, 269p.
  8. Smuel .J. Olong, Bertha Mubiru, Norah Tushabe and Marjorie Mbule 2007, MK Secondary Biology student’s book two, MK Publishers Ltd, 242p.


Last modified: Thursday, 22 September 2022, 9:23 AM