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

Heterotroph – organism that obtains food by consuming other living things; aka consumer Autotroph – organism that is able to capture energy from sunlight or chemicals and use it to produce its own food from inorganic compounds, aka producer

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!