How is a farm an ecosystem?

Farmers care for their farm environment. They work to improve soil condition, reduce soil erosion, protect water quality, and enhance habitats for their animals.

Explanation:

emerald ash borer

the emerald ash borer is a green buprestid or jewel beetle native to north-eastern asia that feeds on ash species. females lay eggs in bark crevices on ash trees, and larvae feed underneath the bark of ash trees to emerge as adults in one to two years. hope this !

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."