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Miss Cote Evolution

Miss Cote's Evolution review

QuestionAnswer
trace of a long-dead organism fossil
an imprint in rock in the shape of an organism mold
a rocklike model of an organism cast
the lowest layer of rock is older than the top layer law of superposition
the study of the geographical distribution of fossils and of living organisms biogeography
trait not determined by genes acquired trait
the first to propose a hypothesis of evolution Lamarck
organisms best suited to their environment reproduce more successfully than other organisms natural selection
an interbreeding single-species group population
the “father” of evolution Darwin
the ship that Darwin took his voyage on HMS Beagle
a single organism’s genetic contribution to the next generation fitness
similar features that originated in a shared ancestor homologous
structures that have similar functions, but different embryological development analogous
structures usefull to an ancestor, but are not useful to the modern organism vestigial
the change in two or more species in close association with each other coevolution
organisms that appear to be similar are not closely related at all convergent evolution
two or more related populations become more and more dissimilar divergent evolution
the study of evolution from a genetic point of view population genetics
the shape of the graph showing variations in a population bell curve
the smallest unit that can evolve population
the total genetic information available in a population gene pool
allele frequencies tend to remain the same in a population unless acted on by outside influences Hardy-Weinberg genetic equilibrium
the movement of individuals into a population immigration
the movement of individuals out of a population emigration
genes moving from one population to another gene flow
allele frequencies in a population change as a result of random events genetic drift
individuals with the average form of a trait have the highest fitness stabilizing selection
individuals that display one extreme form of a trait have greater fitness than individuals with an average form of the trait directional selection
individuals with both extremes of a trait have greater fitness than individuals with the average form of the trait disruptive selection
females tend to choose the males they mate with based on certain traits sexual selection
the process of species formation speciation
form and structure morphology
the physical separation of members of a population geographical isolation
barriers to successful breeding reproductive isolation
occurs before fertilization prezygotic isolation
occurs after fertilization postzygotic isolation
evolution occurs at a slow,steady pace gradualism
periods of stability separated by rapid periods of evolution punctuated equilibrium
Created by: misscote
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