Introduction of which of the following on Galapagos islands caused extinction of Abingdon tortoise?
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → Goats
Option (2) Goats — Correct. When goats were introduced on the Galapagos Islands, they ate the same plants as the Abingdon tortoise and browsed far more efficiently. The tortoise lost this competition and became extinct within a decade.
NCERT Extract:
Population Interactions – “… Strong and persuasive circumstantial evidence does exist however in some cases. The Abingdon tortoise in Galapagos Islands became extinct within a decade after goats were introduced on the island, apparently due to the greater browsing efficiency of the goats.”