Structural Levels atom molecules organelles cells tissues organs organ systems organism population community ecosystem biome biosphere earth Properties of Living Things 1 Order Organisms are highly ordered 2 Reproduction Living things reproduce new living things 3 Growth and Development DNA directs our growth 4 Energy Living things require energy ATP to function 5 Response to Environment Organisms respond to stimuli 6 Homeostasis Organisms regulate their internal environment 7 Adaptations Body parts with particular functions evolve in response to the environment for survival 8 Cells All living things are made of cells Kingdoms 1 Monera prokaryotic cells ex bacteria 2 Protista eukaryotic one celled organisms 3 Fungi eukaryotic ex mushrooms and molds 4 Plantae eukaryotic photosynthesis ex plants 5 Animalia eukaryotic heterotrophic ex animals Evolutionary 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 testable 2 Be repeatable with consistent results 3 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 Method 1 Ask A Question 2 Do Background Research read about your topic 3 Hypothesis 4 Experiment test your hypothesis control no change independent variable changes 5 Collect Your Data 6 Draw A Conclusion write down what you learned and try to explain it 7 Report Your Results write a lab report publish a paper
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