pre-ap bio chapter 3 part 1
Post on 04-Jul-2015
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What is Ecology
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What Is Ecology?
Learning Objectives Describe the study of ecology. Explain how biotic and abiotic factors influence an
ecosystem. Describe the methods used to study ecology.
Ecology
The scientific investigation and analysis of interactions among organisms and their responses to external factors in their environment
Species and Populations
Species Population
Community
Population Community
Ecosystem
Community Ecosystem
Biome
Ecosystem Biome
Biosphere
Biome Biosphere
Biotic and Abiotic
EnvironmentBiotic Abiotic
Ecological Methods
• Observation• Experimentation
• Modeling
Levels of Organization
Biosphere
Ecosystem
Population
Organism
Community
Biome
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