In a field study comparing soil samples from an intensively cultivated farmland and an undisturbed forest, the farmland soil is found to have fewer earthworms. What is the most likely ecological reason for this?

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Biology · Soil Ecology

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Intensive cultivation, chemical use, and tilling reduce organic matter and disturb soil biota

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Answer 1

Farmland soils are too well-aerated for earthworms to construct burrows

Answer 2

Earthworms migrate to forests solely due to differences in soil color and appearance

Answer 3

Farmland soil naturally lacks the minerals required for earthworm survival

Answer 4

Intensive cultivation, chemical use, and tilling reduce organic matter and disturb soil biota

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