Answer:
C
Explanation:
Mutations occur oftenly in organisms because it is seen as natural. Not all generations will give offsprings with perfect traits, They tend to have either 50/50 inherited traits from each parent of 100% off a parent if it was asexual reproduction.
Ultraviolet sun rays it damages the cells and can cause skin cancer.
Answer: Although defintions can have the same meaning, they can be worded differently; keep that in mind. Physiology is the study of the physics and chemistry inside the human body, and focuses on how they work to sustain the functions of life.