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.
Frankie Lyman was the thirteen year old lead singer of Frankie Lyman and the Teenagers. Their biggest hit was "Why do Fools Fall in Love". The song was released in 1956. In 1957, Frankie Lyman went solo and left the group. Frankie Lyman died at the age of 25 from a drug overdose.
i think it may be the second one
