Ecosystems

Environment and Habitat Environment Abiotic factors Biotic factors Habitat Specific place where organism is found Marine - characterized primarily by abiotic features

Homeostasis

Abiotic Factors Sunlight Temperature Salinity Pressure Metabolic requirements Metabolic wastes Organism’s ability to tolerate changes in these factors  distribution in marine environment

Population Group of the same species Occupy specified area Rely on same resources Influenced by same environmental variables

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1° Producers 1° Consumers 2° Consumers 3° Consumers 4° Consumers 5° Consumers 6° Consumers