Once regarded as plants constituting the class Schizomycetes, bacteria are now classified as prokaryotes. Unlike cells of animals and other eukaryotes, bacterial cells do not contain a nucleus and rarely harbour membrane-bound organelles. ... These evolutionary domains are called Bacteria and Archaea. read more
No, bacteria are neither plants nor animals. Plants and animals are much more closely related to, and like, each other, than either one is to bacteria. Most biologists divide life up into three domains (a higher division than kingdoms): Bacteria, Archaea, and Eukarya. read more
Bacteria were among the first life forms to appear on Earth, and are present in most of its habitats. Bacteria inhabit soil, water, acidic hot springs, radioactive waste, and the deep portions of Earth's crust. Bacteria also live in symbiotic and parasitic relationships with plants and animals. read more
Bacteria and fungi are members of their own kingdoms so they are neither plants nor animals. Some bacteria are studied by botanists because of their similarity to some plants. A good example is cyano-bacteria which uses the same type of chlorophyll as plants. read more