Soil ecology refers to the study of the interactions between plants, animals, and microorganisms present in the soil. There are several synonyms for soil ecology, including soil biology, soil microbiology, and soil science. These terms are often used interchangeably, but each refers to a specific aspect of the study of the soil ecosystem. Soil biology focuses on the study of the various life forms found in soil, including bacteria, fungi, and earthworms. Soil microbiology emphasizes the study of microorganisms that play a critical role in soil fertility and nutrient cycling. Soil science is a broader term that encompasses all aspects of the soil ecosystem, including its physical, chemical, and biological properties.