Vocabulary for Infectious Diseases and Classification of Living Organisms Prokaryotic-cells that do not have a membrane bound nucleus or organelles Eukaryotic-cells that do have a membrane bound nucleus or organelles Unicellular- made of only one cell Multicellular-made of more than one cell Autotrophic-An organism capable of making its own food, using light or chemical energy. A producer. Heterotrophic- An organism not capable of making its own food. A consumer. Asexual Reproduction- Reproduction that does not require a male and female, like splitting or budding. Sexual Reproduction- Reproduction that requires a male and female. See Vocabulary Activity included in this lesson.