Introduction to Global Systems - Biology

Biology

1. Introduction to Global Systems

2. Learning Objectives
Explain why ecology is important.
Describe the methods used to study ecology.
Explain how biotic and abiotic factors influence an
ecosystem.
Explain how we can understand global systems and the
changes they undergo.

3. Ecology
The scientific study of
interactions among organisms
and between organisms and
their physical environment.

4. Species and Populations
Species Population

5. Community
Population Community

6. Ecosystem
Community Ecosystem

7. Biome
Ecosystem Biome

8. Biosphere
Biome Biosphere

9. Gathering Ecological Data
•Observation
•Experimentation
•Modeling

10. Biotic and Abiotic Factors
Environment
(Biotic and Abiotic)
Biotic Factors Abiotic Factors

11. Modeling Global Systems
Earth’s four global systems are constantly interacting.

12. Building and Using the Model
The Understanding
Global Change model is
only one way to show
the interactions of
Earth’s systems.