Phylum The taxonomic category just below Kingdom Anamalia which contains related classes. Plantae The Kingdm of plants. Prokaryotic A type of cell which does not have a nucleus surrounding its DNA or organelles. Only members of the Kindom Monera are prokaryotic. Protista The Kingdom of protists.
Protists are both unicellular and eukaryotic.
In English, the Ladder of Nature, the Scala Naturae is a concept invented by Aristotle. It was incorporated into Christian thought and was held to be true by most people up until the end of the 19th century. Species A group of organisms within a genus that interbreed under natural conditions but do not interbreed with members of other groups. If the organisms reproduce asexually, then the organisms of a group that are more closely related to one another than to other organisms within that genus are called a species. Taxonomy The science by which organisms are classified into hierarchically arranged categories that reflect their evolutionary relationships.