Brown tree snakes are not native to the island of Guam and are thus a(n) _______ species.Multiple choice question.introducedbycatchbiomagnifiedendangered

To answer this multiple-choice question, we need to analyze the terms provided in the context of ecology and species introduction.

1. Understanding the Terms:

   • Introduced species: Species that are brought to an area where they do not naturally occur. Brown tree snakes are not native to Guam and were introduced there.
   • Bycatch: Refers to unintentionally caught fish or other organisms during fishing.
   • Biomagnified: Describes the increasing concentration of toxins in organisms at each successive level of the food chain.
   • Endangered: Refers to species that are at risk of extinction.

2. Contextual Clarity: Brown tree snakes are known to have been introduced to Guam, where they have caused significant ecological changes. As such, the correct term in this context is "introduced species."

Final Answer

The correct answer is introduced species.