IB Biology HL A4.2.3 Species extinction Question Bank

Practise IB Biology HL A4.2.3 by weighing archaeological timing and human overhunting against alternative explanations for giant moa extinction.

Exam points

Evaluate archaeological timing and human overhunting as evidence for giant moa extinction.

[Maximum number: 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?

Deforestation

New diseases

Competition with other megafauna

Overhunting

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