Sexual reproduction involves the formation of basidiospores on club-shaped cells known as basidia . Image from W.H. Freeman and Sinauer Associates, used by permission. Club fungi are important as commercial crops. They also cause many diseases that result in loss or reduction of grain yields. Amanita phalloides is the most poisionous of all mushrooms.
Fungi provide nutrients from the substrate, the phototroph provides food.
Structure of a lichens. Image from W.H. Freeman and Sinauer Associates, used by permission. The Nanoworld Image Gallery Lots of interesting pics and links for microscopes. Answer these questions at this site. The Five Kingdoms A table summarizing the kingdoms of living things.