IB Biology SL A4.2.3 Anthropogenic Species Extinction Questions
Explain how human activity drives species extinction, using the North Island giant moa and Caribbean monk seal as examples.
- Syllabus
- First assessment 2025
- Course
- Biology SL
- Level
- SL
Exam points
- Describe human activity as a driver of the current sixth mass extinction.
- Link hunting, habitat change or resource use to the extinction of the North Island giant moa.
- Explain how loss of the Caribbean monk seal as a top predator can change food webs.
IB Biology SL A4.2.3 Anthropogenic Species Extinction Questions question 1
The North Island giant moa (Dinornis novaezealandiae) went extinct some time between the arrival of humans in New Zealand and the 1800s.
What do scientists believe to be the cause of this extinction?
A
Deforestation
B
New diseases
C
Competition with other megafauna
D
Overhunting
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