Home Biology Biodiversity and Conservation NCERT Which of the following factor has caused the…
Biology Biodiversity and Conservation NCERT Single Correct MCQ
Published on: August 21, 2026

Which of the following factor has caused the extinction of more than 2000 species of native birds of the tropical Pacific Islands?

A
Human colonisation
B
Alien species invasions and
C
Co-extinctions
D
Both

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Verified by Experts
The correct answer is:
A

On tropical Pacific islands, when humans arrived, they caused major changes such as:

-Hunting of native birds

-Destruction of habitats (forests cleared)

-Introduction of new animals (like rats, cats)

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