Memory Unit 4 Part 1Version en ligne Match the spelling word with the correct defintion par Jenna Sivetts a microorganism, especially a bacterium causing disease or fermentation. hydroelectric terrain artificial solar relating to or determined by the sun the regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms viable a biological community of interacting organisms and their physical environment savanna (of a plant, animal, or cell) capable of surviving or living successfully, especially under particular environmental conditions ecosystem a particular way in which matter, fields, and atomic and subatomic particles affect one another, e.g. through gravitation or electromagnetism relating to or denoting the generation of electricity using flowing water (typically from a reservoir held behind a dam or other barrier) to drive a turbine that powers a generator a grassy plain in tropical and subtropical regions, with few trees biosphere a stretch of land, especially with regard to its physical features interaction made or produced by human beings rather than occurring naturally, especially as a copy of something natural microbes