ecology
DESCRIPTION
ECOLOGY. ENVIRONMENTAL STUDIES. BIOSPHERE. Combined portions of Earth in which all living things exist. LEVELS OF ORGANIZATION. INDIVIDUAL ORGANISMS POPULATIONS COMMUNITIES - PowerPoint PPT PresentationTRANSCRIPT
ECOLOGY
ENVIRONMENTAL STUDIES
BIOSPHERE
Combined portions of Earth in which all living things exist
LEVELS OF ORGANIZATION
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 SYMBIOSIS
MUTUALISMCOMMENSALISM PARASITIS
M
HUMMINGBIRD/FLOWER SEA ANEMONE /CRAB WASP LARVAE/HORNWORM
PRIMARY SUCCESSION
SECONDARY SUCCESSION
OCEAN PHOTIC AND APHOTIC ZONES
***BENTHOS***
POPULATION DENSITY
***CARRYING CAPACITY***
DENSITY INDEPENDENT DENSITY DEPENDENT
LIMITING FACTORS AFFECTING POPULATION
DROUGHTCLIMATE EXTREMESHUMAN IDSTURBANCE
COMPETITIONPARASITISMDISEASE
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