Question

Nonnative species disrupt ecosystems by _______.
a.
increasing biodiversity
b.
preventing the spread of disease
c.
disrupting food chains
d.
increasing the populations of native species

Answer 1

c. disrupting food chains

Nonnative (invasive) species often outcompete or prey on native species, alter habitats and trophic interactions, and can thus disrupt existing food chains and ecosystem balance.