IB Biology SL A4.2.3 Species extinction Question Bank
Practise IB Biology SL A4.2.3 by evaluating evidence that human arrival and overhunting caused the North Island giant moa extinction.
- Syllabus
- First assessment 2025
- Course
- Biology SL
- Level
- SL
Exam points
- Use the giant moa timeline to identify overhunting as a human cause of extinction.
A4.2.3—Anthropogenic species extinction 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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