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*32 ABY1101**32 ABY1101*12625*ABY11*Centre NumberCandidate Number*ABY11*TIME2 hours 15 TO CANDIDATESW rite your Centre Number and Candidate Number in the spaces provided at the top of this must answer the questions in the spaces provided. Do not write outside the boxed area on each page or on blank pages. Complete in black ink only. Do not write with a gel all eight FOR CANDIDATESThe total mark for this paper is A carries 82 marks. Section B carries 18 in brackets printed down the right-hand side of pages indicate the marks awarded to each question or part are reminded of the need for good English and clear presentation in your answers. Use accurate scientific terminology in all should spend approximately 25 minutes on Section are expected to answer Section B in continuous of written communication will be assessed in Section Certificate of EducationBiologyAssessment Unit A2 1assessingPhysiology, Coordination andControl, and Ecosystems[ABY11]AssessmentAssessment Level of Control:Tick the relevant box (3)Controlled ConditionsOther*32 ABY1102**32 ABY1102*12625 BLANK PAGEDO NOT WRITE ON THIS PAGE*32 ABY1103**32 ABY1103*12625[Turn overSection A1 The four blood groups of the ABO system are shown in the table below.]

A pyramid of biomass for trophic levels in a marine food chain is shown below. Seabirds Fish Zooplankton Phytoplankton 0.25 gm –2. 2.0 gm ... In the pyramid shown, the zooplankton biomass is greater than ... Describe the evidence supporting the conclusion that petunia is a

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