Organisms in this kingdom have cell walls, but cannot make their own food

Fungi is the answer about the fungi kingdom The fungi kingdom fungi is made up of multicellular organisms as well as some single-celled organisms. Members of the fungi kingdom reproduce by spores and have cell walls surrounding their cells, similar to plants but with the cell walls being made of different materials. Members of the fungi kingdom also differ from plants because they are unable to produce their own food and instead must feed on dead or living organisms. Many species of fungi are considered to be decomposers in the food chain. Examples of fungi include yeast, mushrooms, and some molds i hope this helps you

Exposure to solar flares would be the correct answer