Medical field, first responders, retail, realty
Answer:
People stock up on goods and resources, creating shortages.
Explanation:
I took the test.
Answer:
Competition.
Explanation:
Competition refers to a relationship between rival organisms whose economic niches overlap with each other. When both organisms compete with each other for the limited resources available in ecosystem.
In the given case, the Sparrows replacing Bluebirds is a result of competition. Because they both share the same ecological niche, they are in competition with each other for the limited resources.
Therefore, competition is the correct answer.
