C ctk-495 New member Jul 7, 2009 #1 im taking biology in my 2011 o levels .. what should main ideas should i have .. my school didnt start yet .. i just want to utilize my vacation somehow in the mean time .. i have bought all the bio books .. help ?
im taking biology in my 2011 o levels .. what should main ideas should i have .. my school didnt start yet .. i just want to utilize my vacation somehow in the mean time .. i have bought all the bio books .. help ?
