Biology
101
Life
On Planet Earth
8 April,
1998
Chapter
30:
How
Ecosystems Work
The Flow
of Energy
The Cycling
of Nutrients
Human
Intervention in Energy Flow and Nutrient Cycling
Biodiversity
and Ecosystem Stability
The
Flow of Energy
-
The
energy captured by photosynthetic organisms is called primary productivity.
-
Organisms
occupy different trophic levels based on how they acquire energy.
-
Food
chains and food webs describe the feeding relationships within ecosystems.
-
Energy
flows through trophic levels.
-
Biological
magnification occurs as toxic substances are passed through trophic levels.
The
Cycling of Nutrients
Last modified on 26 October, 1999 by David Ussery
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