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Chapter 25 (Distribution (Age Distribution (Carrying Capacity (K-selected…
Chapter 25
Distribution
Random Distribution
No obvious pattern
Clumped Distribution
Space between plants is rarely average
Uniform Distribution
Evenly spaced plants
Age Distribution
Generation Time
Intrinsic rate of natural increase
Carrying Capacity
K-selected species
Trophic Levels
Primary Producers
Primary Consumers
Secondary Consumers
Decomposers
Trophic Level Example
Habitat
Operational Habitat
Abiotic
Nonliving and physical phenomena
Climate
Tolerance Range
Soil
Pioneers
A horizon
B horizon
C horizon
Biotic
Mutualism
Beneficial for both species that occur together
Mutualism example
Competition
When two species do not grow well together
Competitive Exclusion
The less adapted species is excluded
Niche
Competition example
Commensal Relationship
One Species benefits while the other is unaffected
Predation
One species benefits while the other is harmed
Structure
Physiognomic Structure
Trees
Shrubs
Herbs
Life Forms
Temporal Structure
Changes of an ecosystem that undergoes a time constitute
Population
Community
Ecosystem
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Plants and Animals
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Ecotypes
Transplant Experiments
Common Garden
