Term
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Definition
| All the different populations of organisms that live in a defined area |
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Term
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Definition
| the natural enviornment where an organism lives |
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Term
| active continental margin |
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Definition
| one that is colliding with another plate and therefore has a lot of geoligical activity |
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Term
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Definition
| one of the three main internal layers of the earth. The mantle lies under the crust, the outermost layer, and over the core, the intermost layer |
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Term
| Passive continental margin |
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Definition
| one that is on hte "trailing edge" of a continent and has little geological activity |
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Term
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Definition
| tides with a large range that occur around times of the full or new moon |
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Term
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Definition
| tides with a small range that occur when the moon is in quarter |
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Term
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Definition
| the difference in height between a high tide and the next low tide |
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Term
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Definition
| a rasping ribbon of small teeth that is present in most molluscs |
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Term
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Definition
| molluscs whose shells consist of eight overlapping plates on their upper, or dorsal, surface |
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Term
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Definition
| the amount of heat energy required to raise the temperature of a substance; also, its ability to hold heat. water has one of the highest capacities of any natural substance |
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Term
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Definition
| aniamls that eat organic matter that settles to the bottom |
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Term
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Definition
| animals that acively filter food particles from the water. They are a common type of suspension feeder |
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Term
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Definition
| particles of dead organic matter |
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Term
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Definition
| a structure used by many seaweeds to anchor themselves to the bottom |
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Term
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Definition
| a gas-filled sac that provides many bony fishes with buoyancy |
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Term
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Definition
| CO2+H2O+Sun Energy -----> organic matter +O2 |
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Term
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Definition
| A resource that is so scarce that is restricts the growth of a population |
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Term
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Definition
| close, mutualistic associations between fungi and microscopic algae; mutualism is a type of symbiosis |
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Term
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Definition
| conversion of nitrogen gas (N2) into nitrogen compounds that can b used by primary producers as nutrients |
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Term
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Definition
| organisms that manufacture organic matter from CO2, usually by photosynthesis |
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Term
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Definition
| a tidal pattern with two high and two low tides each day |
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Term
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Definition
| a tidal pattern with one high and one low tide each day |
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Term
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Definition
| A tidal pattern in which two successive high tides are of different heights |
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Term
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Definition
| the eliminatin of one species by another as a result of competition |
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Term
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Definition
| the part of the continental shelf that is never exposed by low tide |
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Term
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Definition
| red algae that depsosit calcium carbonate in their tissues |
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Term
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Definition
| organic matter + O2 ------> CO2+H20+ energy (glucose) |
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Term
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Definition
| Red Protein in the blood of vertebrates and some invertebrates that transports oxygen |
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Term
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Definition
| primary prodcers (phtyoplankton) and consumers (zooplankon) that drift with the currents |
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Term
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Definition
| single-celled algae with a shell, or test, made of silica |
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