IB Biology HL A4.2.3 Anthropogenic Species Extinction Questions

Identify human pressures such as overhunting and connect them to documented extinction of named species.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Identify an anthropogenic cause such as overhunting as the reason a named animal species became extinct.

IB Biology HL A4.2.3 Anthropogenic Species Extinction Questions question 1

[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.

Figure for Question IB Biology HL A4.2.3 Anthropogenic Species Extinction Questions question 1 — IB Biology HL

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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