http://downloads.bbc.co.uk/bitesize/ks1/science/living_things/play/container.swf

https://www.youtube.com/watch?v=p51FiPO2_kQ

https://www.youtube.com/watch?v=cPiNTkCmmv0

http://www.bbc.co.uk/schools/scienceclips/ages/6_7/science_6_7.shtml

http://www.woodlands-junior.kent.sch.uk/revision/science/life.html

http://www.bbc.co.uk/scotland/education/wwww/living/index_choice.shtml

http://www.bbc.co.uk/schools/ks2bitesize/science/living_things/variation/read1.shtml

http://www.bbc.co.uk/schools/ks2bitesize/science/living_things /