Island ecosystems are particularly susceptible to the negative effects of invasive species because native species have often evolved without Blank______.Multiple choice question.predatorscompetitorspreyresources

Invasive species impact island ecosystems significantly because Blank______ species have evolved over thousands of years with few to no predators in their natural ecosystem.Multiple choice question.nonnativenativeinvasiveintroduced

A major threat to biodiversity includes Blank______ species. These species move into a new area and disrupt the habitat.Multiple choice question.nativeindigenousinvasive

Introduced species that spread widely and harm the environment or other species are called ______ species.Multiple choice question.invasiveoverexploitednativevulnerable

A species that evolves rapidly and in relative isolation from other species would be Blank______ to adapt to environmental change.Multiple choice question.more likelyless likely

18.Which of the following is the most serious threat to biodiversity?  A. Competition from exotic species  B. Commercial harvesting  C. Habitat destruction  D. Overexploitation