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Chapter 25 Populations and Ecosystems, predication displayed in trophic…
Chapter 25 Populations and Ecosystems
Concepts
populations
community
ecosystem
operational habitat
all components=habitat
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abiotic
biotic
Plants In Relationship To Their Habitats
Biotic Components of the Habitat
the plant itself
each species brings something to the table
other plant species
interactions
mutulism
competition
niches
organisms other than plants
predators
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pathogens
fungus
Abiotic Components of the Habitat
climate
temerature
moisture
tolerance range
soil factors
horizons
b horizon
C horizion
latitude and Altitude
length of daylight
disturbance
natural disasters
humans flooding
The Structure of Populations
Age distribution, Demography
rate factors
biotic potential
generation time
r- and K- selection
k-selection
filled sites
r- selection
disturbance
Geographic Distribution
limiting factor
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local distribution
clumped distribution
uniform distribution
random distribution
The Structure of Ecosystems
Temporal structure
change over time
Species composition
diversity co-existing
Physiognomic Structure
physical size
Trophic levels
feeding levels
secondary consumers
peimary consumers
primsry producers
predication displayed in trophic levels
too much water can kill plants
habitats consist of many factors
