Technically speaking, those are goods in an ecosystem. A provisioning service is any type of benefit to people that can be extracted from nature. Along with food, other types of provisioning services include drinking water, timber, wood fuel, natural gas, oils, plants that can be made into clothes and other materials, and medicinal benefits.
This is because, If the probes are identical, then the one that feels a larger gravitational force is orbiting closer to Jupiter than the other one is.
