Famine- High population means more mouths to feed
Disease- Diseases usually spread more quickly with people who live closer( as it can just move from one person to the other)
War- People like to fight for land, resources, money, etc. And having more of those things mean they are more able to support families, communities, and more.
(Hope this helps a little)
The way wales intake food is much different
- - Because you take in both genes from your parents. It is most likely to have more of your dads genes rather than mom though.
