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Biology · 2011 · November · Paper 3 · HL · Question paper

BiologyQuestion paper2011HLNovember

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This question paper is listed under Biology in the 2011 examination archive. Its catalogue level is HL. The catalogue session is November. The information below helps you identify the document before opening the complete PDF. Subject, year and session labels come from the archive catalogue; the original cover remains the reference if a label differs. A file is not automatically suitable for your current syllabus simply because its subject name matches.

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30 pages N11/4/BIOLO/HP3/ENG/TZ0/XX Thursday 17 November 2011 (morning) BIOLOGY HIGHER LEVEL PAPER 3 INSTRUCTIONS TO CANDIDATES • Write your session number in the boxes above. • Do not open this examination paper until instructed to do so. • Answer all of the questions from two of the Options. • Write your answers in the boxes provided. 1 hour 15 minutes [Personal identifier removed] © International Baccalaureate Organization 2011 Examination code 8 8 1 1 – 6 0 0 3 0132 8811600 3 – 2 – N11/4/BIOLO/HP3/ENG/TZ0/XX Option D — Evolution D1. A study of two populations of Darwin’s finches, medium ground finch (Geospiza fortis ) and cactus finch (Geospiza scandens ), was undertaken between 1973 and 1998 on the Galápagos Islands. The graphs below show the mean beak size in each year from 1973 to 1998 compared with the long-term mean size. Geospiza fortis Geospiza scandens Relative beak size 0.60 0.50 0.40 0.30 0.20 0.10 0.00 – 0.10 – 0.20 – 0.30 Relative beak size 0.60 0.50 0.40 0.30 0.20 0.10 0.00 – 0.10 – 0.20 – 0.30 1973 1978 1983 1988 1993 1998 1973 1978 1983 1988 1993 1998 Y ear Y ear Peter R Grant and Rosemary B Grant, “Unpredictable Evolution in a 30-Y ear Study of Darwin’s Finches”, Science, V ol. 296 no. 5568, pp. 707--711, 26 April 2002. Reprinted with permission from AAAS. ( a) State the year in which G. fortis had the greatest change in relative beak size. [1] ....................................................................... (This question continues on the following page) 0232
File information
Subject
Biology
Document type
Question paper
Year
2011
Session
November
Level
HL
Paper
3
Examination zone
Not labelled in the archive
Language
Not labelled in the archive
File size
2.2 MB
Pages
32
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