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| the study of interactions among living things and their environments |
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| a living thing in an ecosystem |
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| any physical or chemical part of an ecosystem that living things NEED to survive! |
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| A distinct abiotic environment that is found at different places on the planet and is inhabited in each of these locations by ecologically-similar organisms with convergent adaptations. |
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| the long-term average state of the weather at a given place over a yearly cycle |
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| a vertical section of soil from the ground surface to the parent rock |
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| The uppermost soil horizon; contains most of the organic matter of soil, but may be depleted of most mineral nutrients by leaching |
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| The soil horizon consisting of the rock that is breaking down to form the soil |
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Fairly shallow, higher dissolved oxygen, nutrient levels.
interface between the land and water |
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| The nearshore region of oceans that lies between the level of the high and low tides, so that it is alternately inundated with water and exposed to air |
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The nearshore regions of lakes and oceans. In oceans this includes the intertidal zone
-Goes as far as root plants can go |
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| The "open water" zone of oceans that lies beyond the continental shelves |
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The surface zone of lakes or oceans that is penetrated by sunlight
-How far the sunlight can reach |
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| The parts of the lakes and oceans below the photic zone, where no sunlight penetrates |
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The substrate at the bottom of an occean, lake, stream, or other body of water
-the bottom. From shoreline to other part of lake |
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means lake. Extends from where root plants stop all the way to the deepest part of the lake
-the "open water zone" of freshwater lakes |
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| Where ocean water meets freshwater |
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| Refers to an ecological community and its abiotic environmental context |
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| step in the movement of energy through an ecosystem; an organism's feeding status in an ecosystem |
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| a model to show the feeding relationships between a single producer and a chain of consumersk |
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| also called Autotrophs- organisms that use energy to make their own food |
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| organisms that cannot make their own food. Obtains energy from other organisms. |
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| Organism that obtains the energy and materials it needs to survive, grow, and reproduce from the waste products or dead bodies of other organisms |
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| weight of dry organic matter per unit of area |
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| Gross Primary Productivity |
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the amount of solar energy that plants can convert to chemical energy by photosynthesis
-generally accepted to be 2% of total solar energy. Plant cells use some of the solar energy for respiration |
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| A diagrammatic representation of which organisms consume which other organisms in and ecological community. You Diagram of trophic relationship |
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