Chapter 3: The Biosphere - Part 1

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Presentation transcript:

Chapter 3: The Biosphere - Part 1 ECOLOGY Chapter 3: The Biosphere - Part 1

Ecology:the study of the interactions of living organisms with each other and their environment.

BIOSPHERE: the portion of Earth that supports life . . . Air Land Water

Levels of Organization (pg. 64) Biosphere Biome Ecosystem Community Population Species

Organic / Biotic Factors . . . (the living environment) Plants Animals Protists Bacteria Fungi (All living things containing carbon)

Inorganic /Abiotic factors . . . (the non-living environment) Wind Temperature Moisture Light Soil Minerals Fire

Biotic vs Abiotic Factors Bozeman Biology http://www.bozemanscience.com/020-biotic-and-abiotic-factors 10.02 min

Ecological (Energy) Pyramid Omnivores - eat anything Carnivores - eat meat Insectivores - eat insects Herbivores - eat plants Producers - make own food Trophic level = feeding step

The 10 Percent Rule (pg. 77)

Food chain – shows how energy flows producer herbivore omnivore omnivore producer 1st order consumer 2nd order consumer 3rd order consumer

Food web: interconnected food chains Organisms almost always eat, and are eaten by, many different organisms.

chicken grass deer caterpillar hawk frog seeds snake beetle coyote turkey human rabbit

THE END!