For example, if a temperature is extremely high then the plant may respond by respiration rather than photosynthesis, (glucose is turned into carbon dioxide and water which releases energy-Applied science revision guide, Annets, Hartley, Hocking, Llewellyn, Meunier, Parmar, Peers, 2016). This is problematic because the products originally required for photosynthesis have now been used, therefore this process cannot be completed (Applied science revision guide, Annets, Hartley, Hocking, Llewellyn, Meunier, Parmar, Peers, 2016).