Prof. M.J.S. Wijeyaratne Vice-Chancellor and Senior Professor of Zoology University of Kelaniya Summary of the presentation made at the Seminar organized by Institue of Biology and Young Biologists Association, Sri Lanka on 23 April 2007 at Auditorium of the National Museum, Colombo 7. Passing G.C.E. (A. L.) Examination is essential for Higher education. Probability of […]
Biology
Biology seminar organized by Young Biologists and IOB
Biology seminar organized by Young Biologists and IOB Originally uploaded by Dr Hiran Amarasekera. Seminar on Higher Education and Employment Opportunities in the Field of Biological Sciences organized by Institute of Biology, Sri Lanka and Young Biologists Association on 23 April 2007 at Museum Auditorium, Colombo 7
Biology learning links in our mobile site.
Check our mobile phone site wap.studentlanka.com 2009 A/L Classes Photo Gallery 1 – Biology Photo Gallery 2 – Plant Tissues Photo Gallery 3 – Animal Tissues Photo Gallery 4 – Wild Life Photo Gallery 5 – Biodiversity Biology Questions
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How old is this stem? You can determine the age by counting the annual rings of this wood stem. Check your answer here. This stem is three (3) years old, because we can count 3 annual rings. The most recently fromed annual ring is much narrower than the first two. Wood age