Since you need water to sustain large populations and agriculture and deserts do not have water, most of the large populations in the Middle East are located near the four permanent rivers in the Middle East: the Nile, the Tigris… Full Answer
Low income populations are affected by climate change to a greater degree. Higher income individuals can afford to move to more temperate climates and maintain two homes, as well as run their air conditioners and heaters, whereas lower income can… Full Answer
There are many diseases that destroy the immune system. The most widely-spread immune disease is the AIDS virus affecting huge populations in third world countries especially in the continent of Africa.
Kangaroo populations vary widely from year to year in Australia. For example, due to drought conditions, Red kangaroo numbers in NSW dropped from 500,000 in 2002 to 110,000 in 2005. So yes - the food source does affect the population… Full Answer