Autotrophs (energy and C from inorganic sources) Photoautotrophs (energy and C from photosynthesis) Chemoautotrophs (energy and C from chemical reactions) Heterotrophs (energy and C from organic matter) Consumers (energy and C from living organisms) Decomposers (energy and C from dead organic material) Soil organisms are often grouped into five classes: animals plants bacteria fungi actinomycetes Animals include earthworms, arthropods (insects, spiders, centipedes, etc.), and rodents (moles, gophers, prairie dogs, etc.).
(Soil organisms; are grouped; into five classes; T:often) (energy and C from dead organic material; fungi; ) (actinomycetes Animals; include; earthworms, arthropods (insects, spiders, centipedes, etc.), and rodents)
Soil organisms energy and C from dead organic material actinomycetes Animals
are grouped fungi include
into five classes T:often
earthworms, arthropods (insects, spiders, centipedes, etc.), and rodents