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Biology

WCHS Biology Chapter 3

WordDefinition
Limiting Factore any biotic or abiotic factor that restricts the existence, numbers, reproduction, or distrubution of organisms
Tolerance as the body becomes less responsive to a drug and and individual needs larger or more frequent doses of the drug to recieve the effect
Succession orderly, natural changes, and species replacements that take places in communities of an ecosystem over time
Primary Succession colonization of barren land by pioneer organisms
Secondary Succession sequence of changes that take place after a community is disrupted by natural disasters or human actions
Climax Communities a stable, mature community that undergoes little or no change in species over time
Biome group of ecosystems with the same climax community
Photic Zone portion of the marine biome that is shallow enough for sunlight to penetrate
Aphotic Zone deep water that never recieves sunlight
Estuary costal body of water, partially surrounded by land, in which freshwater and saltwater mix
Intertidal Zone portion of the shoreline that lies between high-tide and low-tide
Plankton small organisms that drift and float in the waters of the photic zone
Tundra biome that surrounds the north and south poles
Taiga biome just south of tundra
Grassland biome composed of large communities covered with rich soil, grasses, and similiar small plants
Temperature/Deciduous Forest biome composed of forests of broad-leaved hardwood trees that lose their foliage annually
Tropical Rainforest biome near the equator with warm temperatures, wet weather, and lush plant growth
Desert arid region with sparse to almost nonexistence plant life
Created by: dmoudy
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