IB Biology HL D4.3.5 Ocean Current Changes Questions
Analyse how warming and altered circulation strengthen stratification, reduce nutrient upwelling and lower phytoplankton productivity.
- Syllabus
- First assessment 2025
- Course
- Biology HL
- Level
- HL
Exam points
- Identify changes in circulating ocean currents as a consequence of global warming.
- Explain how ocean warming or altered circulation reduces nutrient upwelling, phytoplankton productivity and marine food-web energy flow.
Learn this topic
IB Biology HL D4.3.5 Ocean Current Changes Questions question 1
[Maximum number: 1]
What is a consequence of ocean water having a very high temperature?
A
Decreased bleaching of coral reefs
B
Increased production of oxygen
C
Increase in energy flow through food chains
D
Reduced nutrient upwelling to the surface
D
All question bank results loaded