A bacteria basically, smaller than a eukaryotic cell, can't be animal or plant cell and is less complex
Natural selection is a process where living things that are better adapted to the environment around them survive longer and produce more off springs .
Answer: Genetic variation is an important force in evolution as it allows natural selection to increase or decrease frequency of alleles already in the population. ... Genetic variation is advantageous to a population because it enables some individuals to adapt to the environment while maintaining the survival of the population. Because natural selection acts directly only on phenotypes, more genetic variation within a population usually enables more phenotypic variation. Some new alleles increase an organism's ability to survive and reproduce, which then ensures the survival of the allele in the population.
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