Why is it best to have a resting heart rate below 70 beats per minute answers?

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?

Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.

10 points a population of mice have tails. over time those mice with either really short tails or really long tails have a higher rate of survival. this will probably lead to what type of selection? a. disruptiveb. directionalc. stabilizingd. evological