Answer:
the correct answer is <u>reconstruction</u>
Explanation:
kidney dialysis is when a person is experiencing kidney failure.
it is needed when the kidney don't filtrate blood the way it used to do, so a person will have to go to the doctor and wait for hours so they can have their blood filtrate. it's bad and could lead to death.
Natural selection is a specific mechanism of evolution in which the heritable traits help an organism to survive and reproduce successfully. answer B
