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MR V LS.11
POPULATIONS OF ORGANISMS CHANGE OVER TIME
| Term | Definition |
|---|---|
| SPECIES | A GROUP OF SIMILAR ORGANISMS THAT CAN MATE WITH EACH OTHER AND PRODUCE OFFSPRING THAT CAN ALSO MATE AND REPRODUCE |
| EVOLUTION | CHANGE OVER TIME; THE PROCESS BY WHICH MODERN ORGANISMS HAVE DESCENDED FROM ANCIENT ORGANISMS |
| FOSSIL | THE PRESERVED REMAINS OR TRACES OF AN ORGANISM THAT LIVED IN THE PAST |
| ADAPTATION | AN INHERITED BEHAVIOR OR PHYSICAL CHARACTERISTIC THAT HELPS AN ORGANISM SURVIVE AND REPRODUCE IN ITS ENVIRONMENT |
| SCIENTIFIC THEORY | A WELL-TESTED EXPLANATION FOR A WIDE RANGE OF OBSERVATIONS OR EXPERIMENTAL RESULTS |
| NATURAL SELECTION | THE PROCESS BY WHICH ORGANISMS THAT ARE BEST ADAPTED TO THEIR ENVIRONMENT ARE MOST LIKELY TO SURVIVE AND REPRODUCE |
| COMPETITION | THE STRUGGLE BETWEEN ORGANISMS TO SURVIVE AS THEY ATTEMPT TO USE THE SAME LIMITED RESOURCES IN THE SAME PLACE AT THE SAME TIME |
| FITNESS | HOW WELL AN ORGANISM CAN SURVIVE AND REPRODUCE IN ITS ENVIRONMENT |
| FOSSIL RECORD | ALL THE FOSSILS THAT HAVE BEEN DISCOVERED AND WHAT SCIENTISTS HAVE LEARNED FROM THEM |
| EXTINCT | TERM USED TO REFER TO A GROUP OF RELATED ORGANISMS THAT HAS DIED OUT AND HAS NO LIVING MEMBERS |
| MUTATION | A CHANGE IN THE DNA SEQUENCE OF AN ORGANISM |
| HABITAT | |
| GENETIC VARIATION | |
| SURVIVAL OF THE FITTEST |