Type the number

Exercise and reference answers

Questions

1. Answer

   10

   Question

   Per cent of energy passed to the next trophic level

2. Answer

   50

   Question

   Upper per cent of sunlight that is PAR

3. Answer

   170

   Question

   Biosphere net primary productivity in billion tons

4. Answer

   49

   Question

   Per cent carbon in dry weight of organisms

5. Answer

   71

   Question

   Per cent of global carbon dissolved in oceans

6. Answer

   33

   Question

   Value of ecosystem services in trillion dollars

Instructions

Type the number only.

Explanation