Answer: thousands of years
Answer:
How does biology affect a persons daily life? Studying biology you can make informed decisions on issues that impact you and our society! Everyday newspapers, televisions, and the internet contain issues that relate to biology. They work to improve food supply, curing diseases and preserving our environment.
Explanation:
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<h2>Answer with Explanation </h2>
Cellular respiration is a process in which chemical reactions occurs that allows the body to take glucose and transform it into ATP. ATP is a more readily available form of energy for the body than glucose. Cells need energy to perform tasks, and respire to break the chemical bonds in ATP and then use it for energy. So, respiration occurs at all times in the human body, and is essential for survival.
The answer is not A because mutations can carry out bad genetic variations.
The answer is not B because mutations can carry out good genetic variations.
So, the answer is C because mutation is one of the key factors of genetic variation. (mutations can also have no affect)