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Stack #4599747
| Question | Answer |
|---|---|
| evolution | change over time |
| gene | a sequence in DNA that codes for a particular trait |
| mutation | changes in DNA |
| genetic drift | biological evolution that occurs by chance |
| natural selection | is a process by which traits that improve an organisms chances for survival and reproduction are passed on more frequently |
| fitness | describes how reproductively successful an organism is in its environment |
| adaptation | a heritable trait that increases an individuals fitness |
| artificial selection | the process of selection conducted under human direction |
| speciation | |
| extinction |