Answer:
The air at higher altitudes is colder, less dense, and contains fewer oxygen molecules. This means that you need to take more breaths in order to get the same amount of oxygen as you would at lower altitudes. The higher the elevation, the more difficult breathing becomes
Explanation:
~Hello There!~
So, I read up on this just to answer this question. In basic terms, it revolves around natural selection. Natural selection is simply when the organisms that are 'better adapted' live on to pass on their genes. The animals that aren't the 'better adapted' have to find ways to survive. This is what leads to the development of these relationships. For example, small insects may climb onto animals to get food. The organisms support each other. Does that help?
Hope This Helps You!
Good Luck :)
Have A Great Day ^_^
- Hannah ❤
So are familiar with civilization adaption?
Are you familiar with emergence?
Google these two and read all you can in order to know the maximum of the begining of any society.
