THE BIOSPHERE IS THE GLOBAL ECOSYSTEM. ECOLOGY STUDY OF THE INTERACTIONS AMONG ORGANISMS AND BETWEEN ORGANISMS AND THEIR ENVIRONMENTS.

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Presentation transcript:

THE BIOSPHERE IS THE GLOBAL ECOSYSTEM

ECOLOGY STUDY OF THE INTERACTIONS AMONG ORGANISMS AND BETWEEN ORGANISMS AND THEIR ENVIRONMENTS

BIOTIC FACTORS (LIVING) EXAMPLES: PROKARYOTES, PROTISTS, ANIMALS, FUNGI AND PLANTS

ABIOTIC FACTORS NONLIVING PHYSICAL AND CHEMICAL CONDITIONS

ABIOTIC FACTORS A. SUNLIGHT B. WATER C. TEMPERATURE D. SOIL E. WIND F. SEVERE DISTURBANCES

FIVE INCREASING BROAD LEVELS A. INDIVIDUAL ORGANISMS B. POPULATIONS C. COMMUNITIES D. ECOSYSTEMS F. BIOSPHERE

Go to Section: Levels of Organization

PATCHINESS OF BIOSPHERE NOT UNIFORM ACROSS THE EARTH DUE TO DIFFERENCES IN ABIOTIC FACTORS- UNEVEN HEATING FROM SUN VARYING CLIMATES

UNEVEN HEATING OF EARTH’S SURFACE RESULTS IN THREE DIFFERENT TEMPERATURE ZONES:

TROPICS REGION BETWEEN 23.5°N LATITUDE AND 23.5°S LATITUDE WARMEST AREA

POLAR ZONES REGION NORTH OF ARCTIC CIRCLE °N LATITUDE AND REGION SOUTH OF ANTARCTIC CIRCLE-66.5 °S LATITUDE COLDEST AREAS

TEMPERATE ZONES REGIONS BETWEEN THE POLAR ZONES AND TROPICS SEASONAL CHANGES LESS SEVERE COLD AND LESS SEVERE HEAT

BIOMES TERRESTRIAL ECOSYSTEMS THAT COVER LARGE AREAS OF EARTH A. CHARACTERIZED BY COMMUNITIES OF PLANTS AND OTHER ORGANISMS ADAPTED TO ITS CLIMATE AND OTHER ABIOTIC FACTORS B. LANDSCAPES APPEAR SIMILAR BUT SPECIFIC ORGANISMS VARY IN DIFFERENT PARTS OF THE WORLD