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.
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 and a thickness of.069 inches. The coin sports the profile of George Washington on its obverse, and its reverse design has changed frequently. It has been produced on and off since 1796, and consistently from 1831 onward. The choice of 1â4 as a denominationâas opposed to the 1â5 more common elsewhereâoriginated with the practice of dividing Spanish ...