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WM Biology Chapter 3
Vocab Words from Chapter 3
| Question | Answer |
|---|---|
| limiting factor | any biotic or abiotic factor that restricts the existence, numbers, reproduction, or distribution of organsims. |
| tolerance | the ability of an organism to withstand fluctuations in biotic and abiotic enviromental factors. |
| succession | the orderly, natural changes and species replacments that take place in the communities of an ecosystem. |
| primary succession | the colonization of barren land by communities of organisms. |
| climax community | a stable, mature community that undergoes little or no change in species. |
| secondary succession | the sequence of changes that takes place after an existing community is severly dirupted in some way. |
| biome | a large group of ecosystems that share the same type of climax community |
| photic zone | the portion of the marine briome that is shallow enough for sunlight to penetrate. |
| aphotic zone | deeper water that never recieves sunlight. |
| estuary | a coastal body of water, partially surrounded by land, in which freshwater and salt water mix. |
| intertidal zone | the portion of shoreline that lies between the high and low tide lines. |
| plankton | small organisms that drift and float in the waters. |
| tundra | a treeless land with long summer days and short periods of winter sunlight. |
| taiga | also called boreal or northern continuous forest. |
| desert | an arid region with sparse to almost nonexistent plant life. |
| grassland | large communities coverd with rich soil, grasses, and similar plants. |
| temperate or deciduous forests | these are dominated by broad-leaved hardwood trees that lose their foliage annually. |
| tropical rain forest | these have warm temperatures, wet weather, and lush plant growth. |