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Topics 3.1 and 3.2 By: Alejandro Gutiérrez & Alejandro Garza

What is Ecology? & Producers and Consumers

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Page 1: What is Ecology? & Producers and Consumers

Topics 3.1 and 3.2

By: Alejandro Gutiérrez & Alejandro Garza

Page 2: What is Ecology? & Producers and Consumers

What is Ecology?

Greek origin

OIKOS = household

LOGOS = study of…

Study of the “house/environment” in which we live.

Page 3: What is Ecology? & Producers and Consumers

Ecology is study of interactions between

non-living components in the environment… light water wind nutrients in soil heat solar radiation atmosphere, etc.

AND…

Page 4: What is Ecology? & Producers and Consumers

Living organisms… Plants Animals microorganisms in soil, etc.

Page 5: What is Ecology? & Producers and Consumers

To study Ecology involves…

non-living (abiotic) Climatology

Hydrology

Oceanography

Physics

Chemistry

Geology

soil analysis, etc.

living (biotic) animal behavior Taxonomy Physiology mathematics (population studies) etc.

Page 6: What is Ecology? & Producers and Consumers

Ecology… views each locale as an integrated whole of

interdependent parts that function as a unit.

Tundra Caribou

Page 7: What is Ecology? & Producers and Consumers

Nonliving

dead organic matter

nutrients in the soil and water.

Producers

Green plants

Page 8: What is Ecology? & Producers and Consumers

Consumers

herbivores and carnivores

Decomposers fungi and bacteria

Page 9: What is Ecology? & Producers and Consumers

Levels of organization - Terms Biosphere

Surface of the earth

Composed of many ecosystems

Ecosystem

Large or small as we decide

Backyard, O’Melveney Park, Hedge along Room 110, etc.

Page 10: What is Ecology? & Producers and Consumers

Levels of organization - Terms

Population – one species live in one place at one time

Community – All populations (diff. species) that live in a particular area.

Page 11: What is Ecology? & Producers and Consumers

Levels of organization - Terms

Habitat – physical location of community

Organism – simplest level of organization

Page 12: What is Ecology? & Producers and Consumers

Ecosystem: Very complex Can contain 100’s to 1000’s

of interacting species.


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