IB Biology HL 4.1.12 Mutualism and interaction data Question Bank
Practise IB Biology HL 4.1.12 by evaluating benefits and data in mutualistic interactions.
- Syllabus
- First assessment 2025
- Course
- Biology HL
- Level
- HL
Exam points
- Analyse benefits exchanged in mutualistic relationships across species.
- Interpret interaction data to distinguish mutualistic and parasitic outcomes.
C4.1.12—Mutualism as interspecific relationship question 1
[Maximum number: 1]
Most reef-building corals contain photosynthetic algae, called Zooxanthellae, that live in their cells. Coral bleaching can occur as a result of human-induced changes leading to the Zooxanthellae being ejected from the coral.
State the type of interaction that occurs between Zooxanthellae and reef-building corals.
symbiosis/mutualism
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