Write the word true or false in the blank next to each statement. H 2 S is a good alternate electron acceptor under anaerobic conditions. Facultative anaerobes grow well with or without oxygen. Obligate anaerobes grow well with oxygen as an electron acceptor. Of all the groups of soil organisms, bacteria have the most diverse metabolic capabilities.
Some microorganisms detoxify heavy metals by converting the metal to a volatile form.
Salt impacted soils are commonly found in arid, highly irrigated, agricultural regions. Matching I. Match the group of soil organisms from the list provided to the characteristics listed below. Place the letter which corresponds to the most appropriate answer on the blank line next to each description. Increased density of microorganisms near plant roots. Single-celled, eucaryotic organism, some species prey on bacteria in soils.