Environmental Science
Carbon Cycle
The Carbon Cycle Notes
Environmental Science
Chapter 2 Section 1
1. The exchange of carbon between the environment and living things is called the
________________ _______________.
2. ___________________ is the basis of the __________________ ________________.
3. During _______________ plants use _______________ dioxide from the air to make
________________.
4. Most animals get _______________ and ___________________by ___________ plants.
5. Carbon returns to the environment when _______________ molecules are _____________
down to release _______________.
6. The process of ____________________ uses oxygen and its byproducts are ____________
and ______________ ______________.
7. _______________________ is the breakdown of substances into simpler
___________________.
8. Another way to break down organic matter is by using ____________________.
9. The process of _________________ a substance, such as wood or _______________ fuels,
is called _____________________.
10. Like ___________________ combustion of organic matter releases ______________
dioxide into the ____________________.