Includes a few bonus words from readings etc.
Terms : Hide Images
| 9450326789 | Species | A group of organisms with the ability to interbreed and produce fertile offspring | 0 | |
| 9450326790 | Population | A group of organisms living and breeding in the same area | 1 | |
| 9450326791 | Ecological Niche | An organism's habitat, role, resource requirements (food, water, sunlight, etc), and tolerance ranges for each biotic and abiotic condition | 2 | |
| 9450326792 | Intraspecific Competition | Competition between the same species | 3 | |
| 9450326793 | Interspecific Competition | Competition between two or more species | 4 | |
| 9450326794 | Darwin | A British scientist who believed natural selection was the reason for evolution. | 5 | |
| 9450326795 | Natural Selection | a process where individuals with certain inherited traits survive and reproduce more BECAUSE of those traits | 6 | |
| 9450326796 | Genetic Variation | Genetic, new traits that appear at random in an organism. | 7 | |
| 9450326797 | Adaptation | Inherited characteristics that enhance an individual's ability to compete for limited resources and reproduce | 8 | |
| 9450326798 | Inheritance | The process of passing on genes to the next generation | 9 | |
| 9450326799 | Fitness | The ability to produce offspring which survive. | 10 | |
| 9450326800 | Parasitism | One organism benefits at the expense of the other. Don't kill the other organism. | 11 | |
| 9450326801 | Mutualism | both organisms benefit from each other. | 12 | |
| 9450326802 | Commensalism | One organism benefits from another organism, and the other organism is unaffected by the one organism. | 13 | |
| 9450326803 | Evolution | Change in the genetic composition of a population from generation to generation | 14 | |
| 9450326804 | Genetic drift | When chance events (like natural disasters) cause unpredictable changes in genetics in a population | 15 | |
| 9450326805 | Coevolution | The evolution of two interacting species in response to selection caused by the other species | 16 | |
| 9450326806 | Selective Pressure | Anything (biotic or abiotic) that alters the fitness of an organism and causes natural selection | 17 | |
| 9450326807 | Convergent evolution | The evolution of similar features in separate evolutionary lineages | 18 | |
| 9450326808 | Gene pool | All of the alleles (version of a gene) within a population | 19 | |
| 9450326809 | Homologous Structures | Structures found in different species that evolved together but may have different functions |  | 20 |
| 9450326810 | Analogous Structures | Structures in different species that have the same function but evolved separately |  | 21 |
| 9450334986 | Vestigial organs | Structures that were once useful to organism's ancestors but are no longer functionally important (like our appendix or tail bone) | 22 | |
| 9450340716 | Endemic Species | A species found only in one place and nowhere else (kiwi bird in New Zealand) | 23 | |
| 9450343761 | Mutations | changes to nucleotide bases in genes - the only source of new genes and new alleles | 24 | |
| 9450348223 | Crossing Over | One way to get genetic variation in sexual reproduction - when homologous chromosomes swap portions of DNA in prophase I |  | 25 |
| 9450356104 | Independent Assortment | One way to get genetic variation in sexual reproduction - when chromosomes line up randomly at the metaphase plate | 26 | |
| 9450359613 | Random Fertilization | One way to get genetic variation in sexual reproduction - random combination of egg and sperm | 27 | |
| 9450366600 | Hardy-Weinberg Equilibrium | Describes populations that are NOT evolving | 28 | |
| 9450380711 | Directional selection | Shifts a population's make up to one extreme of the distribution | 29 | |
| 9450383877 | Disruptive Selection | Favors variants at both ends of a distribution (more rare and can result in 2 new species) | 30 | |
| 9450386712 | Stabilizing Selection | Removes extreme variants and preserves intermediate types | 31 |
