What is the difference between a Pyramid of biomass and a pyramid of numbers which relates to ecosystems? They're related about data of animals of an ecosystem viewed as a pyramid... But can I get a simple explanation on how to remember the differences between them.
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- Wed Apr 20, 2011 6:42 am
- Forum: Programming Tutorials
- Topic: Pyramid of biomass
- Replies: 1
- Views: 2314
- Thu Aug 26, 2010 11:16 am
- Forum: Programming Tutorials
- Topic: calculate a population pyramid
- Replies: 2
- Views: 3133
calculate a population pyramid
How do you calculate a population pyramid? I need to calculate the number of people retired on my population pyramid between 16 - 64, but I don't know how to. The numbers down the bottom are 0.0, 0.2, 0.4, 0.6, 0.8, and 1.0 (population in millions) -do we read these to where the bar chart of each ...