The stardust is a given. As for sunlight, all the energy including somewhat arguably geothermal (using the suns gravity to help form the earth and I guess radioactive material being formed by other stars) comes from the sun and gets converted into chemical energy you eat so you’re stardust animated by sunlight (mainly).
But life doesn’t really reverse entropy, it’s more like it creates 4 entropy over here in exchange for -1 entropy over there… net increase in exchange for some local order.
Exactly. There’s this massive ocean of disorder being created by the sun and because of that we get to create ice cubes in our freezer.