vacuole • ignore cell sap 2 (c) diffusion 1 [5] M10. (a) large area allow thin / large / big / flat / light allow adaptations that cannot be seen eg internal air spaces 1 (b) (shape means that) snow falls off 1 (c) protect / stop it being eaten 1 (d) stores/ absorbs water (from other parts of the plant) ignore absorbs water from soil / air ignore nutrients 1 M11. (a) (i) triangular pyramid with 3 layers may be as blocks or as triangle ignore food chains and arrows 1 layers appropriately labelled: bean / plant aphid, ladybird labelled in food chain order must not contradict correct pyramid 2 allow correctly labelled inverted pyramid for marks 1 (ii) any two from: (for aphid / ladybird) ignore energy not all digested / faeces •
• vacuole ignore cell sap 2 (c) diffusion 1 [5] M10. (a) large area allow thin / large / big / flat / light allow adaptations that cannot be seen eg internal air spaces 1 (b) (shape means that) snow falls off 1 (c) protect / stop it being eaten 1 (d) stores/ absorbs water (from other parts of the plant) ignore absorbs water from soil / air ignore nutrients 1 M11. (a) (i) triangular pyramid with 3 layers may be as blocks or as triangle ignore food chains and arrows 1 layers appropriately labelled: bean / plant aphid, ladybird labelled in food chain order must not contradict correct pyramid allow correctly labelled inverted pyramid for 2 marks 1 (ii) any two from: (for aphid / ladybird) ignore energy • not all digested / faeces
year-9-revision-pack.docx