Just So you know, <span>The molecular clock, explains Blair Hedges, is a tool used to calculate the timing of evolutionary events. Instead of measuring seconds, minutes and hours, the molecular clock measures the number of changes.</span>
No, predators do not only kill the old and sick prey. They will go after any of the prey, including the strong ones and the children. The reason they often go after the old and sick prey is because they're easier to pick off, whether they are on their own or in a pack. Predators will go after any one of the members of their prey, but prefer the old and/or sick as it requires less energy.
The answer I believe is C. T turns into A. A turns into U, and so on
<span>capillary is your answer. I hope I helped. :)</span>
