Answer:d. fungi
Explanation:fungi are heterotrophic plants that do not have chlorophyll,roots,stems and leaves.
Fungi are non-motile.they are made up of threadlike filaments called hyphae.these hyphae forms a larger mass of mycellium.
Fungi may be Unicellular eg Saccharomyces cerevisae or they may be multicellular.
Fungi lacks chloroplast so they obtain their from dead matter.they secrete digestive enzymes into the matter and absorbs the nutrients.
They may reproduce asexually through spores or sexually.
Fungi has chitin in their cell wall.
Chitin is rigid as cellulose and it is mostly found in the exoskeleton of insects.