Evolution key terms 3.0 / 5 based on 1 rating ? BiologyEcology, ecosystems and environmental biologyASWJEC Created by: Emily WilliamsCreated on: 18-05-13 17:50 Evolution Process by which new species are formed form pre-exisiting species, over a very long period of time, also share a common ancestor 1 of 7 Biodiversity Measure of the number of species on the planet. 2 of 7 Extinction Loss of species 3 of 7 Species diversity Number of different species and the proportion of each species within a given area/community. 4 of 7 Species Members of the same species which share a large number of the same characteristics and can interbreed to produce fertile offspring. 5 of 7 Variation Changes in a organisms phenotype and genotype. 6 of 7 Mutation Permanent change in the DNA or chromosome number of the cell. 7 of 7
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