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.
Although some New England farmers exported grain and livestock,many could barely feed themselves and their families because thepoor soil made farming difficult. New Englanders therefore turnedto alternative occupations. For instance, they engaged in tradingwith the West Indies, and developed fishing, small manufacturing,and shipbuilding industries.
1.whaling, fishing, shipbuilding
New England Colonies
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