Species are not equally distributed across the world’s surface. 

Overnutrition is associated with _______________.  

These countries disproportionately contribute to the global population.  

What is the single greatest threat to biodiversity and ecosystems today  

Foods, medicines, and wool are all examples of ecosystem _____.

Food insecurity exists in every nation, but it is more common in _______________.  

What is the benefit of planned birth spacing?

A pond ecosystem filling with organic debris, becoming shallower, and developing into a marsh ecosystem is an example of __________________.  

In this aquatic life zone, organisms such as barnacles cling to rocks and withstand pounding waves followed by daily droughts.  

In the above graph, the population is expanding rapidly