Pearson Edexcel International Advanced Level biology

● ● Biology International Advanced Subsidiary/Advanced Level UNIT 2: Cells, Development, Biodiversity and Conservation Instructions • Use black ink or ball-point pen. Fill in the boxes at the top of this page with your name, centre number and candidate number. • Answer the questions in the spaces provided – there may be more space than you need. Show all your working out in calculations and include units where appropriate. Information • The total mark for this paper is 80. The marks for each question are shown in brackets – use this as a guide as to how much time to spend on each question. Questions labelled with an asterisk (*) are ones where the quality of your written communication will be assessed – you should take particular care on these questions with your spelling, punctuation and grammar, as well as the clarity of expression. Advice • Read each question carefully before you start to answer it. • Check your answers if you have time at the end. Turn over P69499A Answer ALL questions. Some questions must be answered with a cross in a box . If you change your mind about an answer, put a line through the box and then mark your new answer with a cross . 1 The diagram shows an organ system of a human female. fallopian tube cervix ovary uterus vagina (Source: © Nucleus Medical Media Inc / Alamy Stock Photo) (a) State what is meant by the term organ system. (1) ............................................................................................................................... ............................................................................................................................... ...................... ............................................................................................................................... ............................................................................................................................... ...................... ............................................................................................................................... ............................................................................................................................... ...................... (b) Gametes are produced in one of the tissues in the ovary. (i) State what is meant by the term tissue.