1. Ecology
Scientific study of interactions between organisms and their environment.

2. Interdependence 6
owl
stoat
fox
rat
rabbit
beetle

3. Levels of Organization
Biosphere
Biome
Ecosystem
Community
The study of ecology ranges from the study of an individual organism to populations, communities, ecosystems, biomes—and, finally, to the entire biosphere. The information that ecologists gain at each level contributes to our understanding of natural systems.
Population
Individual

4. Organism/Individual/Species
An individual/species can breed and produce fertile offspring
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Population
A group of organisms, (same species), which live in the same place at the same time.
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Community
All the populations of different species that live in the same place at the same time.
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7. Ecosystem (Living and Nonliving)
ALL the organisms and non-living environment found in a particular place
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Biomes are
groups of ecosystems that have similar climate & communities
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The Biosphere
Life is found in air, on land, and in fresh and salt water.
The BIOSPHERE is the portion of Earth that supports living things.
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10. Levels of Organization Video

11. Ecosystem
Population
Ecosystem
Biosphere
Community
Species
Population