18 Mar International Baccalaureate (IB) SL & HL Biology Cell Theory
International Baccalaureate (IB) HL & SL Biology Topic 1: Cell Biology IB Biology Essential Idea The evolution of multicellular organisms allowed cell specialisation and cell replacement The cell theory According to cell theory, living organisms are composed of cells The topic 1 of International Baccalaureate (IB) SL & HL Biology starts with Cell Theory....