Answered

Which of the following most likely results in a decrease in a blackbird population?
A. birth
B. emigration
C. immigration
D. mutualism

Sagot :

Charmyviz
I think it may be emigration, but the are predators, who are the main danger to them.
Taoyemelioviz
Blackbird population decrease because some of them migrate due to development for oil, gas, and mining industries,hydroelectric projects, and the cleaning of forest or forestry.