Ecosystems, Biomes, and Biodiversity

This week we examine some of the ecosystems that make up the ecosphere we call home. We also consider how human society is altering and impacting ecosystems around the world. For our spark this week reflect a little on the related subject of human population and population growth. In particular, briefly consider how population growth, national origin, economic class, child mortality, and environmental impact are related.
Please watch this 3 minute video:
https://www.youtube.com/watch?v=SxbprYyjyyU
http://www.guardian.co.uk/global-development/video/2013/may/17/population-climate-change-hans-rosling-video
and then address one of these issues:

1) The relationship between areas of high population growth and high child mortality.



2) The relationship between areas of child mortality and per capita income.
3) The relationship between per capita income and carbon emissions. Be sure to refer to the video.
Or post about
4) Describe mass extinction event in history.

http://www.pbs.org/wgbh/evolution/change/deeptime/
https://www.nationalgeographic.com/science/prehistoric-world/mass-extinction/
https://evolution.berkeley.edu/evolibrary/article/side_o_0/massextinctions_01
https://www.amnh.org/exhibitions/dinosaurs-ancient-fossils-new-discoveries/extinction/mass-extinction/
5) The current mass extinction event