adaptation (adaptive trait) {Ans: any genetically controlled structural, physiological, or behavioral characteristic that helps an organism survive & reproduce under a given set of environmental conditions.}parent material {Ans: by-products of weathering regolith unconsolidated material, from organic and mineral sources, that is the basis of soil development/formation}okefeenokee swamp {Ans: histosols}nirtogen fixation {Ans: process in which specialized bacteria can convert gaseous nirtogen (N2), into ammonia (NH3) that can be used by plants (ex. soybeans and alfalfa) nitrogen cycle}transformation {Ans: development processes of soil horizons the continued weathering of rock, minerals, and soil particles already present;physically or chemically changing these particles}rate of respiration {Ans: limitation of photosynthesis by the plant whereby the plant uses some of the energy-food created in photosynthesis; (also involves glycolysis, & the Krebs Cycle) increase of this means decreased efficiency of photosynthesis}