Soil biology is the study of microbial and faunal activity and ecology in soil. Soil life, soil biota, soil fauna, or edaphon is a collective term that encompasses all organisms that spend a significant portion of their life cycle within a soil profile, or at the soil-litter interface. These organisms include earthworms, nematodes, protozoa, fungi, bacteria, different arthropods, as well as some reptiles, and species of burrowing mammals like gophers, moles and prairie dogs. Soil biology plays a
Search thousands of topics on CostHelper.com. Typical costs: A one-year home service warranty can run anywhere from $250-$600, depending on what's covered and the deductible charged for each service call (which can vary from $30-$100).
1 On average, an extended warranty can cost anywhere from $35 to as much as $110 per month. 2  For example, WarrantyDirect.com offers 3 types of extended warranty that have varying coverage.