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Definition
| the mass of gases that surrounds Earth |
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Definition
| the remains or evidence of an organism that lived in past ages |
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Definition
| prokaryotes that make food by photosynthesis |
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Definition
| a process by which organisms use the energy in sunlight to form glucose from water and carbon dioxide |
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Definition
| the process by which organisms use oxygen to get energy from carbohydrates and other food molecules |
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Definition
| the process if change in species and populations of organisms over time |
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Definition
| a group of similar organisms that can interbreed and produce fertile offspring |
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Term
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Definition
| the process by which organisms best suited to their environment survive and reproduce |
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Definition
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Term
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Definition
| any feature or behavior of an organism that improves the organism's chance of survival and reproduction in its environment |
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Term
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Definition
| the total genetic information of all the organisms in a population |
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Definition
| an organism's ability to survive and reproduce |
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Definition
| the evolution of a new species from an existing species |
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Definition
| an organism's ability to withstand the effects of a harmful agent |
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Definition
| the ability of an organism to fight disease |
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Definition
| a drug that is used to kill bacteria or slow their growth |
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Term
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Definition
| the remains or traces of organisms that lived past ages |
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Term
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Definition
| body parts of different organisms that have a similar structure but may have different alleles |
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Term
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Definition
| body parts that have a similar function but not a similar structure |
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Definition
| a body part that does not seem to play a major role in an organism's life functions but was more important in the organism's ancestors |
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Term
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Definition
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Term
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Definition
| an early stage in the development of an organism |
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Definition
| the field of biology that deals with classifying organisms |
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Definition
| a group of organisms that share most characteristics and can interbreed to produce fertile offspring |
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Definition
| the largest group of organisms in the modern classification system |
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Definition
| the taxonomic group below the domain |
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Definition
| an organism made up of one cell that lacks a nucleus and membrane-bound organelles |
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Term
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Definition
| an organism whose cells have a distinct nucleus and membrane-bound organelles |
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Definition
| an organism that makes its own food |
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Definition
| an organism that cannot make its own food and obtains nutrition by feeding on other organisms |
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Term
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Definition
| a system of naming organisms in which each kind of organism is given a unique two-part name |
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Definition
| a classification group below family that includes related species |
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Definition
| the evolutionary history of a group of organisms |
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Definition
| a branching diagram that shows the development of groups of organisms from a common ancestor |
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Term
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Definition
| a tool that can be used to determine the identity of something by matching observations to a series of paired statements or questions |
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