A description on how Strep A evolved into strep X. Please use the following terms in your description: DNA, Gene, Mutation, small population size, evolution, natural selection, adaptation.

imagine a line passing through the center of earth that goes through both the north pole and the south pole. this imaginary line is called an axis. earth spins around its axis, just as a top spins around its spindle. this spinning movement is called earth's rotation. at the same time that the earth spins on its axis, it also orbits, or revolves around the sun. this movement is called revolution.

copper(i) thiocyanate/acm677 can be provided in alfa chemistry. we are dedicated to provide our customers the best products and services.

explanation: