Kingdom
Animals
Animals are multicellular eukaryotic organisms that form the biological kingdom Animalia. The study of animals is called zoology.
Fungi
Fungi are simple, heterotrophic, filamentous organisms comprised of masses of thread-like hyphae which constitute the body (mycelium) of the fungus.
Plants
Plants are mainly multicellular, predominantly photosynthetic eukaryotes of the kingdom Plantae. The study of animals is called Botany.