Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).
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During action potential, the electrical charge inside the neuron is possible compared to the electrical charge outside the neuron.
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Carbon dating the fossils or researching when animals like that lived
In column one or three it’s a sea shell
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Answer:
Scientific names follow a specific set of rules. Scientists use a two-namesystem called a Binomial Naming System. Scientists name animals and plants using the system that describes the genus and species of the organism. The first word is the genus and the second is the species.
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