Population and Ecosystems 
Plants in Relationship to their Habitats
Abiotic components
Biotic Components
The Structure of Population
r and K-selection
Age distribution
Geographic Distribution
Structure of Ecosystems
Physiognomic structure
Temporal Structure
Species Composition
Trophic Levels
Climate
Soil factors
Latitude and Altitude
Disturbance
Plant itself
Adaptive in r-sites
Adaptive in K-sites
annual
early maturity
many small seeds
few mechanical or chemical defenses
perennial
late maturity
fewer,larger seeds
many defenses
number and diversity of species that coexist in an ecosystem depending on climate, soil.
physical size and shape of organisms and their distribution in reklation to each other
changes that an ecosystem undergoes with time constitution
pyramid representing number of organism at each level
Other plant species
Organisms other than plant
Population Growth
Generation time
Intrinsic rate of natural increase
Carrying capacity
Random distribution
Clumped Distribution
used when there is no obvious identifiable pattern to position of individual
spacing between plants is either small or large
number of offspring produced by an individual that actually live long enough to reproduce under ideal conditions
length of time from birth of one individual until birth of its first offspring
Primary Consumer
Secondary Coonsumer
Producers
Tertiary consumer