1) Evolution a) The process by which species of organisms change over time through genetic variation and natural selection. b) The mechanism by which individuals with advantageous traits are more likely to survive and reproduce. 2) Natural Selection a) The mechanism by which individuals with advantageous traits are more likely to survive and reproduce. b) The process by which species of organisms change over time through genetic variation and natural selection. 3) Adaptation a) A trait that improves an organism's ability to survive and reproduce in a particular environment. b) A change in the DNA sequence that can lead to genetic variation. 4) Mutation a) A change in the DNA sequence that can lead to genetic variation. b) A trait that improves an organism's ability to survive and reproduce in a particular environment. 5) Genetic Drift a) - Random changes in allele frequencies in a population, often affecting small populations. b) The process by which new species evolve from existing species. 6) Speciation a) The process by which new species evolve from existing species. b) - Random changes in allele frequencies in a population, often affecting small populations. 7) Extinction a) The complete disappearance of a species from Earth. b) An ancestral species from which multiple species have evolved. 8) Common Ancestor a) An ancestral species from which multiple species have evolved. b) The complete disappearance of a species from Earth. 9) Fossil Record a) The collection of fossils used to study the history of life on Earth. b) Anatomical features that share common origins despite differences in function 10) Homologous Structure a) Anatomical features that share common origins despite differences in function b) The collection of fossils used to study the history of life on Earth. 11) Analogous Structures a) Features that serve similar functions but do not share a common evolutionary origin. b) Body parts that have lost their original function through evolution. 12) Vestigial Structures a) Body parts that have lost their original function through evolution. b) Features that serve similar functions but do not share a common evolutionary origin. 13) Gene Flow a) The transfer of genetic material between populations through reproduction. b) Environmental factors that influence the survival and reproduction of organisms. 14) Selective Pressure a) Environmental factors that influence the survival and reproduction of organisms. b) The process by which humans breed organisms for specific traits. 15) Artificial Selection a) The process by which humans breed organisms for specific traits. b) Environmental factors that influence the survival and reproduction of organisms. 16) Microevolution a) Small-scale evolutionary changes within a population. b) Large-scale evolutionary changes that lead to the formation of new species. 17) Macroevolution a) Large-scale evolutionary changes that lead to the formation of new species. b) Small-scale evolutionary changes within a population. 18) Darwinism a) The theory of evolution by natural selection proposed by Charles Darwin. b) The ability of an organism to survive and reproduce in its environment. 19) Fitness a) The ability of an organism to survive and reproduce in its environment. b) The theory of evolution by natural selection proposed by Charles Darwin. 20) Phylogenetics a) The study of evolutionary relationships among organisms. b) The ancient art of deciphering an organism’s family drama by analyzing the microscopic whispers of its ancestors. Often conducted by time-traveling scientists who use enchanted DNA strands to trace lineage back to the first single-celled gossipers.

Evolution

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