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Chapter 25 Population and Ecosystems (Key Concepts (Population (Group of…
Chapter 25 Population and Ecosystems
Key Concepts
Population
Group of organisms capable of reproduction
Community
Group of multiple population
Ecosystem
Communities and living +non-living environment
Habitat
The set of conditions an organism's life
Plants in Relationship to Their Habitats
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Abiotic Components
Climate
Tolerance range
Latitude and Altitude
Soil Factors
Don't affect pioneers
Horizons
B
C
A
Disturbances
Natural Disasters
Biotic Components
The plant
Other plants
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You Vs. The Guy She Said Don't Worry About
Non-Plants
Eating each other so plants can eat them
Eating everybody
Pathogens
Parasites
Operational Habitats
Necessary Conditions that perpetuate a community
The Structure of Populations
Geographic Distribution
Limiting Factors
Available necessary requirements for a plants survival
Clumped
Not equally spaced but averaged out eventually
Uniform
equally spaced / non-clumpy
R-Selection
Uses all available resources immediately to guarantee survival
K-Section
Live longer than most others to use resources when they are available and survival
Age Distribution:Demography
Division based on age
rule of exponentiation
Structure of Ecosystems
Physiognomic
Physical size and relation to the environment
Is this actually a word?
Temporal Strcture
Temporary changes to an ecosystem that could encourage a new species of plant to settle and germinate
Species Composition
Number and diversity of species that live and coexist in an environment
Creates a trophic pyramid
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Trophic Levels
Secondary Consumers
Small herbivores
Primary Consumers
Plants
Tertiary Consumers
Larger omni/carni-vores
Constituents
Top-Bottom
Competition
