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Explore the intricate levels of ecology from individual organisms to biomes, learning about food chains, trophic levels, and the Nitrogen cycle. Discover the delicate balance of habitats vs. niches, predator-prey dynamics, and symbiotic relationships. Dive into topics like population succession, carrying capacity, and sustainable resource management to protect biodiversity.
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ECOLOGY ENVIRONMENTAL STUDIES
BIOSPHERE • Combined portions of Earth in which all living things exist
LEVELS OF ORGANIZATION INDIVIDUAL ORGANISMS POPULATIONS COMMUNITIES ECOSYSTEMS BIOMES
COMPETITIVE EXCLUSION PRINCIPLE
SPECIES INTERACTIONS ***Predation ***Symbiosis ***Mutualism ***Commensalism ***Parasitism
PREDATION SYMBIOSIS MUTUALISM COMMENSALISM PARASITISM HUMMINGBIRD/FLOWER SEA ANEMONE /CRAB WASP LARVAE/HORNWORM
LIMITING FACTORS AFFECTING POPULATION DENSITY INDEPENDENT DENSITY DEPENDENT DROUGHT CLIMATE EXTREMES HUMAN IDSTURBANCE COMPETITION PARASITISM DISEASE
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