White Blood Cell - A special type of cell that works as part of the immune system to defend the body against disease and infection.⏎
Transition Zone - The area, sometimes referred to as an ecotone, encompassing the edges of two distinct ecosystems, such as the area where a forest intersects with grassland.⏎
RNA - Short for ribonucleic acid, RNA is a molecule with long strands of nucleic acids containing a nitrogenous base, a ribose sugar, and a phosphate. RNA is responsible for controlling a number of chemical activities, including protein synthesis, within cells.⏎
Strain - A genetic variant or specific subtype of a microorganism, such as a virus or bacteria.⏎