3 Written Questions

1. evaporation of water from a plant's leaves
2. conversion of nitrates in the soil by bacteria into nitrogen gas
3. rate at which organic matter is created by producers in an ecosystem

3 Multiple Choice Questions

1. the process by which water changes from liquid form to an atmospheric gas
   1. denitrification
   2. evaporation
   3. transpiration
   4. nutrient
2. an increase in the amount of algae and other producers that results from a large input of a limiting nutrient
   1. algal bloom
   2. nutrient
   3. transpiration
   4. evaporation
3. process by which certain bacteria convert nitrogen gas to ammonia
   1. nitrogen fixation
   2. transpiration
   3. nutrient
   4. denitrification

3 True/False Questions

1. limiting nutrient → single nutrient that either is scarce or cycles very slowly, limiting the growth of organisms in an ecosystem

   True        False

2. nutrient → chemical substance that an organism requires to live

   True        False

3. biogeochemical cycles → process by which certain bacteria convert nitrogen gas to ammonia

   True        False