Explanation:

- Wind is an abiotic component. It is a non-living factor that influences ecosystems by affecting temperature and weather patterns.

- Animal is a biotic component. Animals are living organisms that interact with other living things and the physical environment.

- Rainfall is an abiotic component. It is part of the non-living elements influencing climate, which affects habitats and life.

- Soil is an abiotic component. It consists of minerals and organic matter but doesn't have life itself, influencing plant growth and water structure.

The correct answer is Option 2: Animal.

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