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Biology · 2016 · May · Paper 3 · HL · Question paper

BiologyQuestion paper2016HLMay

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This question paper is listed under Biology in the 2016 examination archive. Its catalogue level is HL. The catalogue session is May. 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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44EP01 42 pages M16/4/BIOLO/HP3/ENG/TZ0/XX 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. • Section A: answer all questions. • Section B: answer all of the questions from one of the options. • Write your answers in the boxes provided. • A calculator is required for this paper. • The maximum mark for this examination paper is [45 marks]. Option Questions Option A — Neurobiology and behaviour 4 – 8 Option B — Biotechnology and bioinformatics 9 – 13 Option C — Ecology and conservation 14 – 18 Option D — Human physiology 19 – 22 1 hour 15 minutes © International Baccalaureate Organization 2016 Thursday 5 May 2016 (morning) 2216 – 6003 [Personal identifier removed] 44EP02 – 2 – M16/4/BIOLO/HP3/ENG/TZ0/XX Section A Answer all questions. Write your answers in the boxes provided. 1. Increasing carbon dioxide concentration in the atmosphere leads to acidification of the ocean. This in turn reduces the amount of dissolved calcium carbonate. A study was undertaken to investigate the effect of increasing the concentration of atmospheric carbon dioxide on the calcification rate of marine organisms. Calcification is the uptake of calcium into the bodies and shells of marine organisms. The study was undertaken inside Biosphere-2, a large-scale closed mesocosm. The graph shows the results of the data collection. [Source: © International Baccalaureate Organization 2016] (a) State the relationship between atmospheric carbon dioxide and calcification rates. [1] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (b) Suggest one advantage of using a mesocosm in this experiment. [1] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (This question continues on the following page) 120 80 40 0 0 200 400 600 800
File information
Subject
Biology
Document type
Question paper
Year
2016
Session
May
Level
HL
Paper
3
Examination zone
Not labelled in the archive
Language
Not labelled in the archive
File size
1.4 MB
Pages
44
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