IB Biology SL Extended Essay Exemplar
La durabilité économique et environnementale de la pêche du thon rouge dans les écosystèmes marins méditerranéens
B
Overall Score
19/28
IB Grade: C
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Criteria A: Focus and Method
5/6
0
3
6
Criteria Strands
Good
Topic communication and explanation
Excellent
Research question formulation and focus
Moderate
Methodology appropriateness and completeness
Criteria Feedback
- Research question is clearly stated, focused, and consistently guides the investigation
- Topic is communicated accurately with clear biological and economic context
- Appropriate range of secondary sources and graphical data support the exploration
- Minor drift into broader theoretical background not strictly needed for the RQ
- Lacks an explicit methodological rationale explaining source selection
- No primary data collection or triangulation to deepen methodological completeness
Criteria B: Knowledge and Understanding
4/6
0
3
6
Criteria Strands
Moderate
Application of source material
Good
Use of terminology and concepts
Criteria Feedback
- Graphs and tables are integrated with relevant commentary
- Key biological and economic concepts are defined and applied correctly
- Interdisciplinary framing shows coherent understanding of both environmental and market dimensions
- Some figures are inserted without in-depth analysis or complete citations
- Reliance on secondary summaries limits depth of original insight
- Occasional terminology inconsistencies (mixing abbreviations and minor language slips)
Criteria C: Critical Thinking
7/12
0
6
12
Criteria Strands
Moderate
Research analysis
Poor
Discussion and evaluation
Moderate
Argument development
Criteria Feedback
- Logical, coherent argument structure linking evidence to claims
- Good relevance of analysis to the research question, with effective use of quantitative data
- Balanced discussion weighing environmental and economic trade-offs
- Analysis can be descriptive rather than deeply causal in places
- Evaluation is partially supported, with some assertions lacking critical testing
- Minor logical leaps and redundancy reduce overall sharpness
Criteria D: Presentation
3/4
0
2
4
Criteria Strands
Excellent
Structure appropriateness
Good
Layout and formatting
Criteria Feedback
- Clear overall structure with comprehensive table of contents and numbered sections
- Effective use of maps, figures, and captions to support spatial and quantitative understanding
- Consistent section headings aid reader navigation
- Inconsistent indentation and numbering in the table of contents
- Several figures lack full captions or source details
- Minor formatting errors (truncated URLs, stray text) detract from polish