front 1 mechanism for evolution in which allelic frequencies change because the organisms that are best suited for a particular environment have higher survival and reproductive success and leave the alleles that code for those traits to the next generation. | back 1 natural selection |
front 2 change of allelic frequencies in populations across time | back 2 evolution |
front 3 Transfer of alleles from one population to another. | back 3 gene flow |
front 4 group of individuals from the same species that share space and time. | back 4 population |
front 5 passing of alleles and traits across generations. | back 5 inheritance |
front 6 trait that has evolved through the mechanism of natural selection. | back 6 adaptation |
front 7 mechanism for evolution in which allelic frequencies change due to chance. | back 7 genetic drift |
front 8 differences among alleles that are in a population. | back 8 genetic variation |
front 9 mechanism for evolution in which allelic frequencies change due to the appearance of a new allele in the population. | back 9 founder effect |
front 10 When allelic frequencies change because a grand majority of individuals die because of random external factors | back 10 bottleneck effect |
front 11 Identify key contributions of Darwin and Wallace to the theory of evolution | back 11 -Advantageous traits over time become adaptations -Individuals with traits that provide an advantage in a given environment have a higher probability of surviving -A trait that is advantageous in one environment might not be advantageous in a different environment -Populations evolve through natural selection |
front 12 homology present in only one taxon in a phylogeny. | back 12 autapomorphy |
front 13 homology present in all the taxa in the phylogeny | back 13 symplesiomorphy |
front 14 hypothesis of evolutionary relationships among taxa. | back 14 PHYLOGENY |
front 15 trait that has evolved through the mechanism of natural selection. | back 15 ADAPTATION |
front 16 method that allows determining which phylogeny is most probable based on the number of steps needed for the phylogeny to work. | back 16 Maximum parsimony |
front 17 monophyletic group in a phylogeny. | back 17 clade |
front 18 homology present in some of the taxa in the phylogeny. | back 18 synapomorphy |
front 19 group of taxa in a phylogeny that share a common ancestor and all of its descendants. | back 19 monophyletic |
front 20 group of taxa in a phylogeny that come from different ancestors. | back 20 polyphyletic |
front 21 a section of a phylogeny that brings two clades together. | back 21 node |
front 22 group of taxa in a phylogeny that share a common ancestor but not all of its descendants. | back 22 paraphyletic |
front 23 extinct taxon that gives rise to two or more clades | back 23 common ancestor |
front 24 trait that is shared by some taxa due to common ancestry. | back 24 homology |
front 25 trait that is shared by some taxa due to convergent evolution. | back 25 analogy/homoplasy |
front 26 the independent evolution of similar traits in some taxa. | back 26 convergent evolution |
front 27 Darwin | back 27 Main theorist of theory of evolution |
front 28 Aristotle | back 28 single scale, arrange all organism bacteria to humans divinely created |
front 29 Fossils | back 29 remains or traces of organism from past sedimentary rock |
front 30 CUVIER | back 30 Catastrophism mass or periodic extinctions |
front 31 Louis agazzis | back 31 new species multiple creation events |
front 32 Lamarcks | back 32 species evolve through use and disuse inheritance from acquired trait |
front 33 Beagle voyage | back 33 he collected insects, birds and mammals and took detail notes Galapagos islands |
front 34 artificial selection | back 34 humans selectively breed certain individuals in a population to produce offspring with desirable traits. |
front 35 Hutton | back 35 big change thru slow process over a long time |
front 36 Lyell | back 36 changes in earth surface result from slow continuous actions |
front 37 Thomas malthus | back 37 resources are limited. competition for resources |
front 38 what does cause all the biodiversity we see today? | back 38 evolutionary processes and genetic variation. |