IB Biology SL 4.1.2 Oxygen Requirements Question Bank
Practise IB Biology SL 4.1.2 by identifying oxygen as an environmental condition required by obligate aerobic seaweeds.
- Syllabus
- First assessment 2025
- Course
- Biology SL
- Level
- SL
Exam points
- Identify oxygen as an environmental condition required for survival of obligate aerobes.
B4.2.2—Oxygen tolerance question 1
A student set up a 20 -metre transect line along a rocky shore and measured the abundance of seven species of seaweeds (A-G) at 21 different sampling stations at fixed distances. The kite diagram represents the species abundance data across the 20 metres.
Seaweeds are obligate aerobes. Describe an environmental condition required for seaweed survival.
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