3. Elephants in certain areas in Africa have been found to be born without tusks where poaching (hunting) seems to have had a great impact on wild populations. Could this be the result of a
mutation? Explain why this trait could become more prevalent in these wild populations.

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