Which of the following statements is true? 1.Extinction speeds up the evolution of other species.
2.Earth has only experienced one mass extinction in its history.
3.Speciation is caused by a reduction in gene flow.
4.Genetic diversity can be increased by genetic drift,

the framers of the constitution insisted that federal judges be nominated instead of elected due to their desire to have judges above the shifting whims of the masses.

the hope, whether achieved or not, was that federal judges would only be beholden to the law and that by not having judges be elected, they would be protected if that law dictated an outcome that ran counter to popular opinion.

thats not a question

(nitrogen fixation) will be your answer sorry if im wrong

answer; incomplete dominance;