APES 7 Vocabulary Flashcards
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| 7474652394 | species | A group of individuals capable of interbreeding. | 0 | |
| 7474657249 | biological evolution | The change in inherited characteristics of a population from generation to generation, which can result in new species. | 1 | |
| 7474661161 | biological diversity | Used loosely to mean the variety of life on Earth, but scientifically used as to consisting of genetic diversity, species diversity, and habitat or ecosystem diversity. | 2 | |
| 7474664797 | competitive exclusion principle | The idea that two populations of different species with exactly the same requirements cannot persist indefinitely in the same habitat—one will always win out and the other will become extinct. | 3 | |
| 7474667009 | mutation | A chemical change in a DNA molecule. | 4 | |
| 7474670666 | adaptive radiation | The process that occurs when a species enters a new habitat that has unoccupied niches and evolves into a group of new species, each adapted to one of these niches. | 5 | |
| 7474674890 | migration | The movement of an individual, population, or species from one habitat to another or more simply from one geographic area to another. | 6 | |
| 7474678594 | natural selection | A process by which organisms whose biological characteristics better fit them to the environment are represented by more descendants in future generations than those whose characteristics are less fit for the environment. | 7 | |
| 7474681153 | genetic drift | Changes in the frequency of a gene in a population as a result of chance rather than of mutation, selection, or migration. | 8 | |
| 7474684286 | symbiosis | An interaction between individuals of two different species that benefits both. | 9 | |
| 7474686706 | gene | A single unit of genetic information comprising of a complex segment of the four DNA base-pair compounds. | 10 | |
| 7474689631 | ecological niche | The general concept is that the niche is a species' "profession"—what it does to make a living. | 11 | |
| 7474693825 | habitat | Where an individual, population, or species exists or can exist. | 12 | |
| 7474699629 | symbiont | Each partner in an interaction between individuals of two different species that benefits both. | 13 |