Take successive photos of your subject if there is a chance that it might move. Certain subjects, such as wild animals, won't just wait patiently for you to take your photo. In this case, take one shot quickly so that you have something to work with. Then, if the subject hasn't moved, take more shots with better positioning and composition.
Look for patterns in your subject matter, no matter if they happen to be natural or artificial. Patterns add an appealing aspect to a photograph, particularly if they are repeating patterns. You can play off these patterns to get unusual angles or frame your subject relative to the background.
I teamed up with foodstagrammer, EatingNYC, to teach you the basics of food photography! Check out my comprehensive beginner photography course!