| Term | Definition |
|---|
| gene pool | all the alleles of a populations genes come togther to form this |
| gentic equilibrium | the alleles of a population stay the same generation after generation |
| allelic frequency | how often a particular allele shows up in a population |
| convergent evolution | patern of evolution where distantly related organisms evolve similar traits |
| speciation | happens when members of similar populations no longer interbreed to produce fretile offspring within there natural enviroment |
| divergent evolution | patterrn of evolution where species that once was similar to an ancestral species become increasingly distinct |
| mimicry | structral adaptation that allows a species to resemble another species |
| camouflage | adaptation that allows species to blend with surroundings |
| species | group of organisms that can interbreed and produce offspring. example: mice |
| population | group of organisms all of the same species |
| Charles Darwin | Father of Evolution |
| physiological adaptations | changes in an organisms metabolic process |
| Earth | 2-3 billion years |
| allelic frequency | brown hair shows up in one out of six people |
| allopatric | type of speciation that involves geographic barriers |
| sympatrics | type of speciation that involves no geographic barrier |
| physiological adaptation | pesticides no longer work when insects or weeds build reistance to chemicals |
| anatomy | homolgous structures |
| fossils | fossil bones |
| embryology | developing embryos |
| biochemistry | nucleotide sequence |
| homologous structure | structural features with common evolutionary origins |
| analogous structure | body parts that do not have common evolutionary origins but similar in function (bird and insect wings) |
| vestigial structure | functional in ancestral history not today |
| first point of evolution | in nature, organisms produce more offspring than can survive |
| second point of evolution | in any population, individuals have variations |
| third point of evolution | individuals with certainuseful variations such as speed, survive in their environment |
| fourth point of evolutions | over time, offspring with certain variations make up most of the population and maylook different from ancestors |
| finches developed different beaks | to feed on cacti |
| artificial selection | breeding organisms with specific traits in order to produce offspring with identical traits |
| artificial selection | breeding pigeons |
| lyell | accepted natural selection |
| malthus | human population grows faster than earth's food supply |
| lamark | inheritance happened |
Combine with other sets
Share on Facebook
Share on MySpace
!