<h3>Answer:</h3>
According to Charles Darwin's theory of evolution by natural selection, organisms that possess heritable traits that enable them to better adapt to their environment compared with other members of their species will be more likely to survive, reproduce, and pass more of their genes on to the next generation. So, with a process called <em>Natural</em><em> </em><em>Selec</em><em>tion</em>, the species who adapts better to their environment survive for more time, until the environment change or until appear another species better to adapt than the first one
The first one because just think about how light oxygen or air is
Answer:
B) How often a disease occurs in a particular area or group of people
Explanation:
Epidemiologists study diseases in many different situations. Their main goal is to prevent diseases by using this information to plan and evaluate strategies.
Hope this helps!!! <33333
~Silver
1.317 × 10^25 lbs i believe.