LIFE SCIENCES Paper 2 Memo (Eng) November 2009

Life Sciences/P2 4 DoE/November 2009NSC – MemorandumSECTION AQUESTION 11.1 1.1.11.1.21.1.31.1.41.1.5CBCCA (5 x 2) (10)1.2 1.2.1 (Scientific) theory1.2.2 Eutrophication1.2.3 (Bio)diversity1.2.4 Palaeontology 1.2.5 Alien/Exotic/Invasive (5)1.3 1.3.11.3.21.3.31.3.41.3.5NoneBoth A and B/A and B/BothB only/BA only/ABoth A and B/A and B/Both (5 x 2) (10)1.4 1.4.1 Domestic use (1)1.4.2 40,5 thousand tonsORDomestic waste -34,0(2)Industrial waste - 6,5 thousand tonsOR40 500 tons1.4.3 Between 1996and 1998 (2)1.4.4 Domestic use increases and industrial use increasesOR(Both) show an increaseORDomestic use is greater than industrial use (2)(7)1.5 1.5.1 Permian period (1)1.5.2 - The number of reptile species decreased- The number of mammal species increasedOR- In the beginning of the Cretaceous period the number of reptilespecies was large- but towards the end of the Cretaceous period the number ofreptile species decreased- In the beginning of the Cretaceous period the number ofmammal species was very small- but towards the end of the Cretaceous period the number ofmammal species started to increase (4)Copyright reservedPlease turn over