The mycelium is the vegetative body of a fungus. Fungi are heterotrophic, but some form associations with autotrophs. Lichens are an association between a fungus and an alga. Mycorrhizae are a complex between a fungus and the roots of a higher plant. Yeast fungi produce alcohol as grape juice is converted to wine and carbon dioxide as bread dough is allowed to rise.
Fungi play a vital role as decomposers in the environment.
Kingdom Plantae Plants are the dominant land organisms. They conspicuously outnumber all other organisms above ground, indeed they are the autotrophic producers in the environment. Their green leaves produce energy-rich chemicals to feed the animas and fungi. The leaves have a particular shape, which is useful in identifying species of plants. Kingdom Animalia Animals are generally heterotrophic and most are motile, at least in some stage in their life history.