Which if the following would NOT result in speciation?   a. a male bird changed its mating dance, which changes which population of female birds he mates with   b. an earthquake divides an area into two different geographical locations   c. a volcano erupts producing a river of hot lava that cuts an island into halves   d. a natural disaster kills off half the population, randomly altering the frequency of genes in the gene pool   2) which of the following is not true about mutations   a. mutations from advantageous traits are more likely to be passes on to the next generation b. mutations are a change in an organisms DNA c. mutations are caused by changes in the environment d. natural selection favors some mutations over others, depending on the environment.

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Q: the

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Genetic Evolution

Sexual reproduction produces distinct population variations. Heredity determines the traits and qualities to be passed down to the progeny. Over time, this variation within-species is also affected by the process of human evolution. The study of how genetic variation leads to evolutionary changes is known as genetic evolution. If a trait helps an organism to survive and reproduce, it is more likely to be passed down the generations. It is rare that such traits result in a completely distinct set of traits in descendants than the ancestral population; this can result in the emergence of a new species.