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 Depending on what needs to be covered and the size of a home, the typical home warranty plan is going to cost anywhere from $200 to as much as $600 or more per year.2  This will really depend on the coverage you choose. For an additional fee, many home warranty companies will cover any pre-existing conditions. 2  Every time a service call is made, a service call fee will be applied. 3  This service call can range from $40 to $70 per call.