Partulina snails were once found throughout Hawaii. There are no longer any Partulina snails in existence. What factor may have led to the snails extinction?

A) increased building on the islands

B) an increase in its food source

C) developing thicker shells

D) hurricane season

The best answer is A. The factor that may have led to the snails extinction is that there is an increase buildings on the islands. The Hawaiian tree snail lives in moist rainforests. They are listed as endangered due to human disturbances. The threat came when the first settlers in Hawaii began cutting trees, replacing their habitats with agricultural lads, buildings and other infrastructure.