Ecosystems - Ecosystems Read pp 180-194 and 205-215(lakes Review sections of Ch 3(Biology Energy and Mass Flow(section 5-3 and section 3-4 Nutrient

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Ecosystems Read pp. 180-194 and 205-215 (lakes) Review sections of Ch. 3 ( Biology ) Energy and Mass Flow (section 5-3 and section 3-4) Nutrient Cycles (section 5-4)
Background image of page 1

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

View Full DocumentRight Arrow Icon
2 Energy and Mass Flow (sections 5-3 and 3-4) Primary Consumers are herbivores that use plants for energy and their carbon source Secondary Consumers are carnivores. Decomposers use the products of organisms for energy and carbon source Primary Producers use Sunlight as ENERGY ( Photosynthesis ) and Carbon from inorganic sources ( Autotrophs ) to grow: 6CO 2 + H 2 O + 2800 kJ chlorophyll C 6 H 12 O 6 + 6 O 2 energy from the sun new cellular material p. 110, and Eq. 5-1, p. 183 Gulf Hypoxia? Fossil Fuels?
Background image of page 2
3 The above is Table 5-1. Details are given in section 5-3 and in sections 3-7 thru 3-10.
Background image of page 3

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

View Full DocumentRight Arrow Icon
4 Not only is energy and carbon moved through the food web, but so can some chemicals ! Example for PCBs : Fig. 5-4
Background image of page 4
5 Example: Bioconcentration Bioaccumulation: total sources of a pollutant in an organism Bioconcentration: Pollutants in the organism only from air or water (not food) Bioconcentration factor: Concentration in organism = concentration in
Background image of page 5

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

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 06/03/2011 for the course 53 50 taught by Professor Parkin during the Spring '11 term at University of Iowa.

Page1 / 27

Ecosystems - Ecosystems Read pp 180-194 and 205-215(lakes Review sections of Ch 3(Biology Energy and Mass Flow(section 5-3 and section 3-4 Nutrient

This preview shows document pages 1 - 6. Sign up to view the full document.

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