Think you know biodiversity? Take this quiz!

The whole surface of Earth is a series of connected ecosystems, from oceans to peatlands to deserts. Often, distant ecosystems rely on each other in unexpected ways. For example, each year the Amazon Rainforest is fertilized from phosphorous contained in around 22 thousand tons of dust carried by the wind from the Sahara Desert thousands of miles away. 

For thousands of years, people have coexisted with ecosystems, but as human populations have grown, we have begun to encroach on, and in some cases overtake, ecosystems causing their rich biodiversity and delicate balance to suffer, which in turn has limited their ability to deliver vital services to humanity. Learn more here.

Take the quiz to see just how clued-up you are (select the options that you think are correct).