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Ecology Review Outline
I. Definitions and examples of each of the following:
A. Ecosystem
B. Abiotic
C. Biotic
D. Habitat
E. Competition – Limiting factors
F. Carrying capacity
G. Population
H. Community
I. Niche
II. Energy through the ecosystem
A. Primary source of energy
B. Producers – Autotrophs
C. Consumers – Heterotrophs
1. Primary – Herbivores
2. Secondary/Tertiary – Carnivores or Omnivores
3. Decomposers – Detrivores, Saprophytes
D. Food Chains
E. Food Webs
F. Energy Pyramid
G. Biomass Pyramid
III. Succession
A. Causes of destruction
B. Types of succession
C. Pioneer organisms – Lichens
IV. Symbiotic Relationships
A. Predation
B. Parasitism
C. Commensalism
D. Mutualism
V. Materials Cycled Through the Ecosystem
A. Water Cycle
B. Carbon Cycle
C. Nitrogen Cycle
VI. Scientific Experiments
A. Hypothesis, Control & Experimental groups, Independent and
Dependent variables, Making an experiment more valid
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