A population of organisms is represented by three black marbles and three gray marbles. The gray organisms have a beneficial genetic mutation. Draw a model that shows natural selection over three generations of these organisms.

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.

artificial selection

explanation:

this occur when man select base on their intelligent

ever get the answers? im stuck on this as well