This means to move around. an organism must do this to find food, shelter, and space.

Locomotion; is the movement of an organism from one place to another in such of food, shelter, mate, flee danger and space. In most organisms the movement is enhanced by the action of Appendages such as flagella, limbs, wings and other organisms use specialized structures such as pseudopodia in bacteria. In some animals the movements results from wavelike series of muscle contractions.

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.