Question

Starlings are birds that were brought into the United States from Europe for breeding purposes. Their numbers have increased to such an extent that they have dislodged native birds, caused crop damage. They also carry swine diseases. What role do they play in the ecosystems of the United States?

dominant species
keystone species
invasive species

Answer 1

@Warriorz13

Answer 2

invasive species

Answer 3

5/5