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Transcript
Name ________________________________________ Class _________ Date __________________
Chapter 3
The Biosphere : Section 3-1 What is Ecology?
(Pages 63-65)
Interactions and Interdependence (p. 63-65)
What is ecology? ___________________________________________________________
What does the biosphere contain? ______________________________________________
Levels of Organization (p. 64)
3. Why do ecologists ask questions about events and organisms that range in complexity
from an individual to the biosphere? _________________________________________
4. Complete the table about levels of organization.
Level
Definition
Species
Group of individuals of the same species in the same area
Community
Ecosystem
Group of ecosystems with the same climate & dominant communities
5. What is the highest level of organization scientists study? __________________________
Ecological methods (p. 65)
6. What are the three basic approaches scientists use to conduct modern ecological research?
a. ______________________ b. ______________________ c. _____________________
7. Why might an ecologist set up an artificial environment in a laboratory?
__________________________________________________________________________
__________________________________________________________________________
8. Why are many ecological phenomena difficult to study? ___________________________
__________________________________________________________________________
9. Why do ecologists make models? ____________________________________________
__________________________________________________________________________
10. True or False? “An ecological model may consist of a mathematical formula. _________