DENDROLOGY

Detailed explanation-1: -Kingdom Fungi (the true fungi) is a monophyletic group of eukaryotic heterotrophs that reproduce with spores and have chitinous cell walls. The most familiar fungi are kitchen molds and mushrooms.

Detailed explanation-2: -Kingdom Fungi is limited to eukaryotes that form chitinous, resistant propagules (fungal spores) and chitinous cell walls and that lack undulipodia (that is, are amastigote or immotile) at all stages of their life cycle.

Detailed explanation-3: -Fungi are multicellular decomposers like mold, moss, and mushrooms, but a few of them can be single celled, like yeast.

Detailed explanation-4: -The correct answer is option (d) Fungi. Examples of decomposers include bacteria, fungi, some invertebrates like insects, and snails, which means they are not always limited to microscopic organisms.