fossil - The remains of parts of an organism such as bones, teeth, feathers, evolution - A change in the allele frequencies in a population over time, common ancestor - The organism that came before two or more organisms (descendents), population - A group of the same organism in a given area, Charles Darwin - A naturalist who contributed to the theory of evolution, relative dating - Digging into the earth, the fossils that are found closer to the surface are more recent, absolute dating - Detecting ratios of different isotopes (e.g. Carbon-14) of the same element in the fossil, analogous - Similar features of organisms with similar functions but no recent common ancestor, homologous - Similar structures with different functions in organisms with a recent common ancestor, selective pressure - Variables which cause organisms with certain features to be more likely to survive in a certain environment, adaptation - A feature which gives an organism a greater chance of survival in a certain envrionment, speciation - The formation of two or more species,

Year 10 Evolution - Some Revision

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