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ENVIRONMENTAL
STUDIES
BIOSPHERE
 Combined portions of Earth in which all
living things exist
INDIVIDUAL ORGANISMS
POPULATIONS
COMMUNITIES
ECOSYSTEMS
BIOMES
FOOD CHAINS
FOOD WEBS
TROPHIC LEVELS
BIOMASS PYRAMID
NITROGEN CYCLE
HABITAT
VS.
NICHE
BIOTIC
VS.
ABIOTIC
FACTORS
COMPETITIVE EXCLUSION
PRINCIPLE
SPECIES INTERACTIONS
***Predation
***Symbiosis
***Mutualism
***Commensalism
***Parasitism
PREDATION
MUTUALISM
HUMMINGBIRD/FLOWER
SYMBIOSIS
COMMENSALISM
SEA ANEMONE /CRAB
PARASITISM
WASP LARVAE/HORNWORM
PRIMARY SUCCESSION
SECONDARY SUCCESSION
OCEAN PHOTIC AND APHOTIC ZONES
***BENTHOS***
POPULATION DENSITY
***CARRYING CAPACITY***
LIMITING FACTORS AFFECTING POPULATION
DENSITY INDEPENDENT
DENSITY DEPENDENT
DROUGHT
CLIMATE EXTREMES
HUMAN IDSTURBANCE
COMPETITION
PARASITISM
DISEASE
RENEWABLE VS. NON-RENEWABLE RESOURCES
SUSTAINABLE USE:
Use of natural resources at a
rate which does not deplete them
BIODIVERSITY
The sum total of the variety of
organisms in the biosphere
HABITAT FRAGMENTATION
Splitting of ecosystems
INVASIVE SPECIES
BIOLOGICAL
MAGNIFICATION
OZONE LAYER
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