I think the answer is magnetic field?
Plants can produce asexually as well as protest so I would reject animals out of the choices. Now to determine the right answer we would have to decide which organisms MOST produce asexually and I would go with Plants
The force which acts on an object without coming physically in contact with it is called non-contract force. The most familiar example of a non-contract force is weight. In contrast, a contact force is a force applied to a body by another body that is in contact with it.