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Explain how is possible with natural selection occurring

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Reference no: EM132565159

1. Harmful alleles persist in some populations, explain how this is possible with natural selection occurring?

2. Some physical traits are a disadvantage for species survival, explain the role sexual selection plays in maintaining these traits in the population.

3. Compare and contrast homologous and vestigial structures and what they reveal about evolution?

4. Describe allopatric and sympatric speciation (include an example of each),and explain how polyploidy can contribute to sympatric speciation?

5. Compare and contrast homologous and vestigial structures and what they reveal about evolution?

6. What is convergent evolution and what causes it?

Reference no: EM132565159

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