Please enable JavaScript.
Coggle requires JavaScript to display documents.
Chapter 25: Populations and Ecosystems (The Structure of Ecosystems…
Chapter 25: Populations and Ecosystems
Plants in Relationship to Their Habitats
Abiotic Components of the Habitat
Climate
primary regions
temperature
rainfall
relative humidity
winds
tolerance range
low and high extremes
Soil Factors
pioneers
A horizon
B horizon
C horizon
Latitude and Altitude
Disturbance
Biotic Components of the Habitat
The Plant Itself
Other Plant Species
Mutualism
compitition
Competitive exclusion
Niche
A particular set of conditions
Ecotypes
Organisms other than plants
Frugivores
Fruit-eating
animals
Commensal relationship
One benefits, the other is unaffected
Predation
One benefits, the other is harmed
Herbivores
Animals that eat plants
Habitat
set of conditions in which organisms complete life cycles
operational habitat
The Structure of Populations
Age Distribution: Demography
demography
biotic potential
carrying capacity
r and K Selection
r-Selection species
annuals
small shrubby perennials
k-Selection
carrying capacity of the ecosystem
r-Selection
biotic potential
k-Selection speies
long-lived conifers
Geographic Distribution
Local Geographic Distribution
random distribution
clumped distribution
uniform distributioin
allelochemics
allelopathy
chemicals inhibit other plants
Boundaries of the Geographic Range
Biotic factor
Limiting factors
Soil factors
mineral composition
soil texture
The Structure of Ecosystems
Temporal Structure
length of day
seasons
Species Composition
Physiognomic Structure
Life forms
Trophic Levels
autotrophs
primary producers
primary consumers
secondary consumers
