Test#2 - Environ. Test Prep: Systems: Feedback loops- goes...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Environ. Test Prep: Systems: Feedback loops- goes in a circle Positive- moves it further in same direction Negative- moves it in an opposite direction Open- exchanges with other systems Closed- contained *The earth is open in reference to energy, closed in reference to mass Lithosphere- rock and soil Atmosphere- air Hydrosphere- water Biosphere- living things Nutrients- needed for survival Macronutrients- phosphorus, nitrogen, and carbon Micronutrients Eutrophication- excess amount of nutrients Biochemical Cycle- movement of matter and energy Resevoir- gathering Flux- movement Residence Time- how long it stays Rocks: Igneous- form volcanoes Sedimentary- layers of mud, dust, and sand Metamorphic- Heat and pressure *Pop. Growth- 1.7% per year *Food production 2.2% per year *War root contributor to Famine-Malnourishment-Obesity 62% Americans over weight 33% Americans obese Protein Deficiancy: Kwashiorkor- re-orange hair and bloated stomach Marasmus- very thin and shriveled CAFOs- concentrated animal feeding operations...
View Full Document

Page1 / 3

Test#2 - Environ. Test Prep: Systems: Feedback loops- goes...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online