PLEASE HELP ASAP In a population of birds, the average beak size is favored. What type of selection is this?
1. kin
2. disruptive
3. stabilizing
4. directional

Match each description with the correct form of energy. 1. energy of an object's position above the ground. 2. stored in the bonds of atoms and molecules 3. stored in the nucleus of an atom 4. energy of vibrating molecules 5. movement of objects used to do work 6. created by vibrations in electric and magnetic fields chemical energy mechanical energy heat gravitational energy light nuclear energy