Question

The brown tree snake is an invasive species in the island of Guam. The brown tree snake feeds mainly on birds and other animals' eggs (birds and reptiles). The rapid increase of brown tree snakes has caused the extinction of several bird species. These birds mainly feed on insects. The brown tree snake does not have a natural predator.
Which of the following is an impact that the brown tree snake has on the ecosystem in Guam?

The population of other reptiles will increase slightly.
The population of other reptiles will increase slightly.

The insect population will increase drastically.
The insect population will increase drastically.

The fungi population will increase slightly.
The fungi population will increase slightly.

The small plant population will increase drastically.

Answer 1

None of the options listed accurately describe the impact of the brown tree snake on the ecosystem in Guam. The correct answer is:

- The extinction of several bird species, leading to a decrease in biodiversity and disruption of the food chain.