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Down: 1) Individual that display a more extreme form of a trait have a greater fitness than those with an average form2) Number of individuals with a particular phenotype/ total number of individuals in population3) Speciation occurs rapidly followed by little or no change over a few thousand years4) Happens when species arise as a result of geographic isolation ("different homeland")5) Physical separation of members of a population6) Individuals with either extreme variation of a trait have a greater fitness than thos with the average form of that trait8) Number of individuals with a specific allele/ total number of alleles10) Occurs after fertilization, zygote dies, have reduced fertility and sterility13) Process of genes moving from one population to another14) Process of species formation15) Phenomenon by which allele frequencies in a population change as a result of random events or chance Across: 7) Individuals with the average form of a trait have the highest fitness9) Speciation occurs gruadually over a few million years11) Occurs before fertilization, active at different seasons or times of the day12) Study of evolution froma genetic point of view16) Results from barriers to successful breeding between population groups in the same area17) When two subpopulations become reproductively isolated within same geographic area
 

 

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