Word Picture Definition Sentence The basic unit of life Some organisms are made of one cell, other organisms are made of many cells. Cell Organism All plants and animals are organisms. A living thing. Multi Cellular Made up of two or more cells Moss is a multicellular organism. You are multicellular too. Uni Cellular Made of a single cell Bacteria and many protists are unicellular organisms. Prokaryote/ Prokaryotic Cell An organism that does not have a nucleus A bacterium is a prokaryote. Its DNA is not in the nucleus. Eukaryote/ Eukaryotic Cell A type of organism made of one or more cells with a nucleus. Bacteria A type of microorganism Animals, plants, fungi, and protists are eukaryotes. Most bacteria help keep the body healthy, some can cause disease. Plant A living thing that makes its own food from light. Trees and flowers are plants. A kind of living thing that eats other living things. A fish is an animal. There are many different kinds of animals. Animal