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Chapter 3 Biolog
Chapter 3 Biology
| Question | Answer |
|---|---|
| Climax Community | a stable; mature community that undergoes little or no change in species over time |
| Limiting Factor | any biotic or abiotic factor that restricts the existence, numbers, reproduction, or distrobution of organisms |
| Primary Succession | colonization of barren land by pioneer organisms |
| Secondary Succession | sequnces of changes that take place after a community is disrupted by natural disasters or human actions |
| Succession | orderly, natural changes, and species replacements that take place in communities of an ecosystem over time |
| Tolerance | the ability of an organism to withstand flutuations in biotic and abiotic enviornmental factors |
| Aphotic Zone | deep water that never recieves sunlight |
| Biome | group of ecosystems with the same climaz communitites; biomes on land are called terestial biomes, those in water are called aquatic biomes |
| Desert | arid region with sparse to almost nonexistent plant life; the driest biome, usually recieves less than 25cm of precipitaion annually |
| Estuary | coastal body of water, partially surronded by land, in which freshwater and salt water mix |
| Grassland | biome composed of large communities covered with rich soil, grasses, and similar plants, recieves 25-75cm of precipitaion annually |
| Intertidal Zone | portion of the shoreline that lies between high tide and low tide lines |
| Photic Zone | portion of the marine biome that is shallow enough for sunlight to penetrate |
| Plankton | small organisms that drift or float in the waters of the photic zone; inclues both autotrophic and heterotrophic organisms, ther eggs, and the juvenile stages of many marine animals |
| Taiga | biome just south of the tundra; characterzed by a boreal or northern coniferous forest composed of larch, fir, hemlock, and spruce trees and acidic, mineral poor topsoils |
| Temperate/Deciduous Forest | biome of forests of broad-leaved hardwood trees that lose their foliage annually; recieves 70-150cm of percipitaion annualy |
| Tropical Rain Forest | biome near the equator with warm temperatures, wet weather, and lush plant growth; receives at least 200cm of rain annually; contains more species of organisms than any other biome |
| Tundra | biome that surrounds the north and south poles; treeless land with long summer days and short periods of winter sunlight; characterized by permafrost |
Created by:
Jusdailey
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