248 CHAPTER 10 Sustaining Terrestrial Biodiversity: The Ecosystem Approach
LEARNING ONLINE
Log on to the Student Companion Site for this book at
academic.cengage.com/biology/miller, and choose
Chapter 10 for many study aids and ideas for further read-
ing and research. These include flash cards, practice quiz-
zing, Weblinks, information on Green Careers, and InfoTrac®
College Edition articles.
- Assuming that a hectare (1.0 hectare 0.01 square
kilometer) of tropical rain forest absorbs 0.85 metric tons
of carbon dioxide per year, what would be the total an-
nual growth in the carbon footprint (carbon emitted but
not absorbed by vegetation because of deforestation) in
metric tons of carbon dioxide per year from deforestation
for each of the five countries in the table?