Structural Levels: atom -- molecules -- organelles -- cells -- tissues -- organs -- organ systems -- organism -- population -- community -- ecosystem -- biome -- biosphere (earth)Properties of Living Things1. Order: Organisms are highly ordered2. Reproduction: Living things reproduce new living things3. Growth and Development: DNA directs our growth4. Energy: Living things require energy (ATP) to function5. Response to Environment: Organisms respond to stimuli6. Homeostasis: Organisms regulate their internal environment7. Adaptations: Body parts with particular functions; evolve in response to the environment for survival8. Cells: All living things are made of cellsKingdoms1. Monera: prokaryotic cells … ex. bacteria2. Protista: eukaryotic one-celled organisms3. Fungi: eukaryotic … ex. mushrooms and molds4. Plantae: eukaryotic, photosynthesis … ex. plants5. Animalia: eukaryotic, heterotrophic ... ex. animalsEvolutionary Theory: Charles Darwin, 1859■ Life evolves genetic changes due to pressure from the environment: natural selection. Species that are very similar share a common ancestors.The Scientific Method:■ The scientific method is an organized way to solve a problem or conduct an experiment.○ A Good Experiment must:1. Be testable2. Be repeatable with consistent results3. Test only one variable at a time○ A fact is a statement that can be proven to be true.○ A theory is large idea that can’t be proven at this time BUT is supported by facts.1. Theories in the past that people felt were true can and have been shown to be faulty as new evidence is discovered. Also, theories can be further supported as new evidence is discovered that supports the theory (Dr. Semmelseis and washing hands).○ Steps of the Scientific Method1. Ask A Question2. Do Background Research: read about your topic3. Hypothesis4. Experiment: test your hypothesis● control - no change● independent variable - changes 5. Collect Your Data6. Draw A Conclusion: write down what you learned and try to explain it7. Report Your Results: write a lab report/ publish a
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