Analogous structure - Features of different species that are similar in function but not necessarily in structure, Anatomical evidence - Describes the similarities and differences between the body structures of different species., Biochemical evidence - The fact that certain enzymes and chemical processes are found in the cells of all or nearly all life on Earth, Coevolution - Occurs when two or more species reciprocally affect each other's evolution through the process of natural selection, Convergent evolution - Independent evolution of similar features in species of different periods or epochs in time., Descent with modification - The idea that species change over time, give rise to new species, and share a common ancestor., Divergent evolution - Is the accumulation of differences between closely related populations within a species, Embryology - Branch of animal biology that studies the prenatal development of gametes, fertilization, and development of embryos and fetuses, Extinction - The dying out of a species, Fitness - Quantitative representation of individual reproductive success., Fossil - The preserved remains of plants and animals whose bodies were buried in sediments, Gene flow - Transfer of genetic material from one population to another, Genetic drift - Change in the frequency of an existing gene variant in a population due to random chance, Gradualism - The evolutionary process in which species experience changes in characteristics slowly and incrementally., Hardy Weinberg equilibrium - States that allele and genotype frequencies in a population will remain constant from generation to generation in the absence of other evolutionary influences., Homologous structure - Similar physical features in organisms that share a common ancestor, but the features serve completely different functions, Microevolution - Evolutionary change within a species or small group of organisms, especially over a short period., Macroevolution - Major evolutionary change. The term applies mainly to the evolution of whole taxonomic groups over long periods of time., Mutation - Alteration in the nucleic acid sequence of the genome of an organism, Natural selection - Natural selection is the differential survival and reproduction of individuals due to differences in phenotype., Nonrandom meeting - A mating system in which at least some individuals are more or less likely to mate with individuals of a particular genotype than with individuals of other genotypes., Overproduction of offspring - When species reproduce many more offspring than can possibly survive, Paleontology - The study of the history of life on Earth as based on fossils., Phylogeny - The representation of the evolutionary history and relationships between groups of organisms, Punctuated equilibrium - The hypothesis that evolutionary development is marked by isolated episodes of rapid speciation between long periods of little or no change., Speciation - Evolutionary process by which populations evolve to become distinct species, Species - A group of organisms that can reproduce with one another in nature and produce fertile offspring., Survival of the fittest - Organisms that are better adapted to their environment are best suited to survive and successfully reproduce, Transitional species - A species that is intermediate between two different species, Variation - Difference in DNA among individuals or the differences between populations among the same species,

Evolution Vocab

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