A river through a wilderness park can provide water to the animals and organism within the area. It can also benefit the plants that surrounds it.
Wind increases and influences weather and climate overall which can be important in many ecosystems. It maintains temperature and delivers air distributed throughout the entire globe.
Wild berries can attract heterotrophs and herbivore to eat, also the seeds can help the plant to grow for another berrie plant.
Trees planted in the yard can deliver and provide oxygen, shades the house and can be a place for the birds to stay.