ENVIRONMENTAL STUDIES. BIOSPHERE Combined portions of Earth in which all living things exist.

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Presentation transcript:

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

PREDATIONSYMBIOSIS MUTUALISM COMMENSALISMPARASITISM HUMMINGBIRD/FLOWERSEA ANEMONE /CRABWASP LARVAE/HORNWORM

PRIMARY SUCCESSION

SECONDARY SUCCESSION

OCEAN PHOTIC AND APHOTIC ZONES

***BENTHOS***

POPULATION DENSITY

***CARRYING CAPACITY***

DENSITY INDEPENDENT DENSITY DEPENDENT LIMITING FACTORS AFFECTING POPULATION 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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