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| the thin layer of air, land, & water that is home to all living things (1% of Earth's mass) |
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| the principle that life comes only from other life |
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| one-celled organisms (amoeba, bacteria, etc.) |
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| multi-celled organisms (mammals, fish, birds, trees) |
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| chemical info provided by your parents, carries the chemical blueprint to create new cells found in nucleus |
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| continual construction and reconstruction of organisms by cell division |
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| temporary growth in certain organs of an organism by cell division |
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| the act of an organism temporarily changing itself to survive in current conditions |
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| the process that occurs over time that allows an organism to adapt to its surroundings |
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| a chemical reaction that are sensed via smell or taste |
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| sum of all chemical reactions occuring in your body |
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| the regulation of bodily functions (heart rate, breath rate, body temperature, etc.) |
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| List the forms of life from smallest to largest |
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| atom, molecules, cells, tissue, organ, organ system, individual, population, community, ecosystem |
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| the eradication of an entire species |
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| traits that enable an organism to survive are passed down |
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| relationships in which different species depend upon each other |
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| a relationship in which both organisms benefit |
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| a relationship in which one partner benefits and the other remains unchanged |
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| a relationship in which one partner benefits and the other is harmed |
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| a process that involves making careful observations, making predictions, designing an experiment that tests your predictions, analyzing the results of that experiment, and interpreting those observations |
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| a possible explanation for an observation |
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| tests that will either support or disprove the hypothesis |
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| factor that can change in an experiment, only one variable can be used for an experiment to be considered valid |
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| a factor that does not change |
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| control that should prove positive in the end |
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| a control that should not prove positive in the end |
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| a hypothesis that is supported by many experiments done through time (not considered to be completely true) |
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| a theory that has stood the test of time and is accepted as the truth |
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| a substance that cannot be broken down by chemical processes into simpler substances |
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| substance made of 2 or more elements chemically combined in definite proportion |
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| protons, neutrons, and electrons |
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| positively charged particles located in the nucleus |
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| neutral particles located in the nucleus |
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| negativel charged particles that form a "cloud" around the nuclear wall (are the particles that are transferred, weigh close to nothing) |
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| atoms that have lost or gained an electron |
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| In Order to get a Negative Charge, an Atom Must |
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| In Order to Gain a Positive Charge, an Atom Must |
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| atoms of the same elements that have a different number of electrons |
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| There are about ___ naturally occurring radioactive isotopes |
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| Radioactive isotopes have ____ nuclei |
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| attractions that hold 2 or more atoms together to form compouds |
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| chemical bond formed from the attractive force between ions with the opposite charges |
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| Newly formed compounds do not have a ___ |
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