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Common characteristics of living organisms |
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Organized, Acquire Materials & Energy, Respond, Reproduce & Develop, Have adaptations |
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How is taxonomy used to classify living organisms? |
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It classifies organisms according to their presumed evolutionary relationships. (As more is learned about evolutionary relationships-taxonomy changes) |
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Explain the categories of classification and properly use binomial nomenclature |
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LEAST to MOST inclusive: Species, Genus, Family, Order, Class, Phylum, Kingdom, Domain |
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Explain the process of natural selection as a driving force for evolution |
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How is the biosphere organized? |
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Organisms belong to a population. The population within a community interact themselves & with the physical environment forming an ecosystem. |
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Outline the scientific method |
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Observations & questions, Hypothesis, experiments/Further observations, Conclusion (Supported or not) |
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Observations & Questions, Hypothesis, Experiment/Observe, Conclusion |
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Step in the scientific method by which data are collected before a conclusion is drawn |
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Established by reasoning after consideration of available evidence it can be tested by obtaining more data, often by experimentation |
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A series of actions undertaken to collect data with which to test a hypothesis |
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(Response variable) Variable that you observe & measure (Ex. plant survival) |
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Variable that scientist controls (Ex. availability of water) |
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Data that can be divided into groups (i.e. sex, educational level, age) |
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Two outcomes to an experiment (i.e. pass/fail, yes/no) |
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Statement made following an experiment as whether or not the results support the hypothesis |
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scientific peer reviews require all new scientific theories, discoveries, ideas, and implications, to be scrutinized and critiqued by expert scientists before they become widely accepted. |
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Concept supported by a broad range of observations, experiments, and data |
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Five common characteristics of living organisms |
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Definition
Organized, Acquire Materials & Energy, Respond, Reproduce & Develop, Have adaptations |
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Union of two or more atoms of the same element (also the smallest part of a compound that retains the properties of the compound) |
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Smallest unit that displays the properties of life; composed of cytoplasm, surrounded by a plasma membrane |
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Group of similar cells combined to perform a common function |
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Combination of two or more different tissues performing a common function |
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Chemical substances in foods that are essential to the diet and contribute to good health |
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All of the chemical reactions that occur in a cell during growth and repair |
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The maintenance of internal conditions within certain boundaries (i.e. temperature, moisture acidity) |
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Organisms modification in a structure, function, or behavior suitable to the environment |
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The process by which species have changed and diversified since life arose |
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Mechanism of evolution caused by environmental selection of organisms most fit to reproduce; results in adaptation to the environment |
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The discipline of identifying * classifying organisms according to certain rules |
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Largest of categories or taxa used by taxonomists to group species; the 3 domains are Archea, Bacteria, & Eukarya |
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Category used by taxonomists (above phylum) |
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The system of nomenclature using two terms, the first one indicating the genus and the second the species. |
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Zone of air, land & water at the surface of the Earth in which organisms are found |
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Group of interbreeding individuals of the same species occupying the same area at the same time |
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Populations interacting with one another within the same environment |
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Biological community together with the associated abiotic environment; characterized by flower of energy and a cycling of inorganic nutrients |
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Photosynthetic organisms at the start of a grazing food chain that makes its own food (i.e. green plants on land and algae in water) |
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Organism that feeds on another organism in a food chain; primary consumers eat plants, and secondary consumers eat animals |
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Chemical Cycling is the natural process of recycling nutrients/chemicals that plants and animals needs to stay alive and reproduce |
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Energy flows through an ecosystem; as energy is repeatedly passed from one component to another, all the chemical energy derived from solar energy dissipates as heat. |
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How do you respond to "It's just a theory...a guess"? |
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I would tell him that a scientific theory is different than a guess because it is based on existing knowledge. That knowledge was tested and observed over great lengths of time. A guess is something people just “think” but the Germ Theory of Disease has been studied/observed/experimented with in great depths. |
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Why are scientific binomial names important? |
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To avoid confusion-latin is universal (can be used all over without learning languages vs. common name) and a quick way to identify a certain type of animal or species, every species can be unambiguously identified with just two words, when new knowledge comes about =stability (?) |
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