1. ___________________________________ 2. ___________________________________ 3. ___________________________________ 8. ___________________________________ Living Things and Their Characteristics Lesson 1.3 pg. 22 4. ___________________________________ 7. ___________________________________ 6. ___________________________________ 5. ___________________________________ Heredity Material 1. ___________________________________ Universal Genetic Code DNA helix- code that stores everything Essential to that organism greatest achievement in modern biology responds to stimuli 8. ___________________________________ responds to light, temp, & touch response: Eating or escaping stimuli - what causes an action response - reaction to stimuli grow and develop 7. ___________________________________ infant to adult Single cell increase in size multicellular organisms go through development process Cells divide - change shape and structure can reproduce 2. ___________________________________ asexual reproduction - identical copies EX. Bacteria & SOme Plants sexual reproduction - 2 parents contribute genetic material Ex. Animals & Some plants Living Things and Their Characteristics Lesson 1.3 pg. 22 Made of Cells 3. ___________________________________ Smallest thing still considered living Bacteria: single cell (unicellular) humans, whales, trees: millions of cells (multicellular) Requires energy 4. ___________________________________ maintains metabolism Grow, develop, and reproduce comes from sun (plants) or other organisms (animals) Maintains homeostasis Evolves through adaptations 6. ___________________________________ 5. ___________________________________ stable internal environment Ex. Temperature, pH, and blood sugar internal stimuli help maintain homestasis EX. body needs water --> Feel thirsty change over time can be see through fossils & DNA adapt to changing environment individual and group changes