REPRODUCTION
http://www.worldofteaching.com/powerpoints/biology/Reproductive%20System... http://www.worldofteaching.com/powerpoints/biology/Sexual%20Reproduction%20in%20Animals.ppt
NOTES: http://www2.estrellamountain.edu/faculty/farabee/biobk/BioBookREPROD.html#Sexual
PUBERTY: http://kent.skoool.co.uk/content/keystage3/biology/pc/learningsteps/PUBLC/launch.html
STAGE 3:
http://lgfl.skoool.co.uk/keystage3.aspx?id=63