Levels according to an ecologist

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lt- Levels according to an ecologist
What other levels can we think of?
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Ecosystem Components
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Atmosphere (mainly carbon dioxide)
volcanic action
combustion of wood (for clearing land or for fuel
photosynthesis
aerobic respiration
Terrestrial rocks
sedimentation
weathering
Land food webs producers, consumers, decomposers,
detritivores
Soil water (dissolved carbon)
Peat, fossil fuels
death, burial, compaction over geologic time
leaching runoff
Fig. 4.29b, p. 93
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FIGURE 6-4
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FIGURE 6-5
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FIGURE 6-6
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Characteristics of Life

• Cellular Basis of Life
• Form Fits Function
• Reproduction Inheritance
• Grow Develop
• Obtain and Use Energy
• Interaction with the Environment
• Regulation
• Adaptation Evolution

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Key Questions

• Why does chemistry matter to biologists?
• How and why do atoms interact the way they do?
• Why is liquid water essential for life on Earth?

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Name that element!
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