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Definition
| percentage of incoming solar radiation reflected by a surface (1.1) |
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| total dry mass of all the living, or once-living, organisms in a given population, area, or other unit being measured (1.2) |
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Definition
all of the areas on Earth (in the air, land, and water) that are inhabited by and that support life (1.1, 3.1) |
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Definition
| the process by which certain fungi and bacteria use the energy from chemical nutrients to chemically convert carbon (inorganic) into carbohydrates (organic) such as sugars and starches in the absence of sunlight (1.1) |
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| an organism that cannot synthesize its own food through photosynthesis or chemosynthesis, and must derive some of its nutrients from organic molecules formed by producers (autotrophs); also known as a heterotoph (1.1) |
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Definition
| organism, usually a bacterium, fungus, earthworm, or insect, that obtains energy by consuming dead plant and animal matter, or waste (1.1) |
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| First Law of Thermodynamics |
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Definition
| law stating that energy cannot be created or destroyed but can only change form (1.1) |
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Definition
| organism that obtains energy by eating plants; also known as a herbivore (1.1) |
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| organism that synthesis its own food from inorganic molecules by using light or chemical energy; also known as autotroph (1.1) |
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| Second Law of Thermodynamics |
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Definition
law stating that all energy transformations are inefficient because some useable energy is always dissipated to the environment as unusable heat (1.1) |
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Definition
| organism that eats primary consumers (herbivores) (1.1) |
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Definition
| organism tht eats secondary consumers (1.1) |
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| in an ecosystem, a feeding level through which energy and matter are transferred; indicates an organism's position in the food chain and is determined by the number of energy transfer steps required to reach level (1.2) |
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| schematic representation of the relative amount of biomass at each trophic level (1.2) |
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Definition
| schematic representation of the relative amount of energy at each trophic level (1.2) |
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Definition
| schematic representation of the relative numbers of organisms at each trophic level (1.2) |
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