Quiz Study Guide Characteristics of Life This quiz will focus on the material on the gold notes in students’ binders. There are 7 characteristics of all living things 1. All living things have cells (unicellular or multicellular) 2. All living things have DNA (genetic material) 3. All living things excrete ( get rid of waste) 4. All living things grow and develop 5. All living things reproduce (or species will go extinct) 6. All living things respond to change (respond/react to a stimulus) 7. All living things require energy (consumer: eat other organisms or producers: make their own food) Vocabulary Word Definition Abiotic Nonliving factors in the environment Biotic Living factors in the environment Things that are living now, or have lived Unicellular Made of a single cell Stimulus Anything that affects the activity of an organism, organ or tissue *any change in an organism’s environment Homeostasis Any reaction to a stimulus *usually in an effort to maintain homeostasis The maintenance of a constant internal environment Multicellular Made of many cells Sexual Reproduction Reproduction in which two cells join to form a zygote; offspring share characteristics of two parents Asexual Reproduction Reproduction in which a single Parent produces offspring that are genetically identical to the parent. Response DNA Digestion Deoxyribonucleic acid Hereditary material that controls all the activities of the cell. Provides instructions for making proteins. Breaking down of food so that it can be used by the body Metabolism The processes leading to the breakdown of food into energy Heredity The passing of traits from parent to offspring. Picture