The number of species on Earth tagged at 8.7 million as of 2011.
<span>This is invalidate, because the amount of energy should stay constant.</span>
The correct answer for this question would be the second option. The one who invented he polymerase chain reaction (PCR) that allowed scientists to enlarge and study genetic material is Kary Mullis. PCR is <span> a technique that amplifies specific DNA sequences from very small amounts of </span>genetic material<span>. Mullis invented this while he is at Cetus. </span>
