11 terms

evolution and such

Gene flow
exchange of genes with another population
Splinter population
A small population that breaks off from the main population, via some sort of isolation
Adaptive radiation
Evolution from a common ancestor that results in diverse species adapted to different environments
Punctuated equilibrium
Suggests that species often diverge in spurts of relatively rapid change, followed by periods of relatively no change
Study of the development of organisms
vestigial structures
reminants of structures that may have once had important functions but appear useless now
homologous structures
similar structures (possibly w/ different functions) in species sharing a common ancestor
gene pool
all the alleles (total) in all the individuals in a population
hardy-weinberg equilibrium
says that the population is not evolving, and the frequency of alleles in the gene pool is not changing over time
bottleneck effect
what occurs after a natural disaster that is sudden, when much of a population is affected/wiped out and genetic diversity is reduced.
founder effect
when very few individuals colonize a new habitat, resulting in very little genetic diversity