Quarter 2 Test

1. What is the process by which carbon is released into the atmosphere from cars, homes and factories?

2. Lightning and bacteria are a part of which cycle?

3. Bacteria living in the soil and on the roots of some plants are important in the cycling of which essential element in an ecosystem?

4. What is the recycling of chemical elements throughout an ecosystem called?

5. Water continuously moves between oceans, the atmosphere, and land in an unending cycle.

6. The two main processes of the carbon cycle are

7. Lightning and soil bacteria are both involved in making .

8. What plays an important role in the nitrogen cycle?

9. The carbon and nitrogen cycles continuously move carbon and nitrogen through the biosphere.

10. Which biogeochemical cycle does NOT include a major path in which the substance cycles through the atmosphere?

The element _________ is part of all organic compounds; carbohydrates, proteins and fats, which make up cells of living things.

Matter ________ through the environment due to the flow of __________ in ecosystems.

During the processes of respiration and photosynthesis, carbon moves between major stages. These major stages include the __________, __________ & _________.