Macroevolution refers to evolution that occurs at or above the level of species, in particular speciation and extinction; whereas microevolution refers to smaller evolutionary changes within a species or population, in particular shifts in gene frequency and adaptation.
Sizes of common Patchwork pieces. 1  Fat Quarter = 18â³ x 22â³. 2  Fat Eighth = 9â³ x 21â³. 3  Mini Charm Squares = 2 1/2â³ x 2 1/2â³. 4  Charm Squares = 5â³ x 5  5â³. Layer Cake = 10â³ x 6  10â³. Jelly Roll = 2 1/2â³ x 45â³ (or width of fabric) strips.
From Wikipedia, the free encyclopedia. The quarter, short for quarter dollar, is a United States coin worth 25 cents, one-fourth of a dollar. It has a diameter of .955 inches (24.26 mm) and a thickness of .069 inches (1.75 mm).