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 According to this Angieâs List article, the average AHS home warranty ranges anywhere from $345 to $432 per year. 2  A user on that same thread stated they paid $475 for the year and stated it was worth it. On average, be prepared to spend anywhere from $350 to $600 per year for a basic AHS home warranty plan noted below. 2  If premiums are added on, such as a pool or septic system, the costs can increase by more than $50 to $75 per year for each item.