Which of the following clades is most likely to survive a series of catastrophic events over time?

The nursing instructor has been observing nursing students initiate an iv infusion. which action(s), if made by the nursing student, indicates that further instruction is needed? (select all that apply.) the nursing student:

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

Long term exposure to waves can cause sunburns and skin cancer.