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Definition
Set of components that function together as a whole |
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Definition
a set of interacting species that occur in the same place. or a set of species found in an area, whether or not they are interacting |
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a particular system that includes the ecological system and its non-living environments all ecosystems have in common the flow of energy and the cycling of chemical elements |
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Definition
self-regulating, or stabiblizing; it usually keeps a system in a relatively constand conidition |
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Steady state or dynamic equilibrium
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Definition
When there is no net change in size of the storage compartment and the system is relatively stable.
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Term
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Definition
The cycling of a chemical element through the biosphere |
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Definition
Macronutrients that form the basic building blocks of life |
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Term
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Definition
Carbon Hydrogen Nitrogen Oxygen phosphorous Sulfur |
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Convergent plate boundary |
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Definition
Occurs when plates collide |
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Definition
Occurs when one plate slides past another. |
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Definition
The calcium cycle is typical of a metallic elemt, and the sulfur cycle is typical of a nonmetallic element |
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Total world population graphed
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Definition
Logistics curve- normal for populations graphs
Population size
Time |
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Term
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Definition
Age structure Growth rate Demographic transition Total fertility Population momentum |
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Definition
The generically determined maximum possible age to which an individual of a species can life |
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Precautionary pricinciple |
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Definition
When there is a serious threat we should not wait for scientific proof beofre taking cost effective, precautionary steps to prevent potentialharm to the enviorment it is proactive rather than reactive |
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Definition
All individuals that are capable of interbreeding Made up of populations |
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Term
death Demographic transition |
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Definition
Stage 1: Stable low- the birth rate declines
Stage 2: growing-high growth rate
Stage 3:Stable greater-birth rate drops towards death rate, so growth rate declines
Stage4: Growing-
Stage 5:Stable greater
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Term
Four paths of Biogeochemical cycles |
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Definition
Atmosphere
Lithosphere
Hydrosphere
Biosphere |
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The Carbon cycle: unanswered issues
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Definition
The missing carbon sink---where it is? Not missing just unidentified- missing carbon sink
The unidentified sink is growing |
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Definition
All individuals that are capable of interbreeding Made up of populations |
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Term
A brief hisotry of human population growth |
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Definition
Hunters and gatherers
Early, pre-industrial agriculture Machine age The modern era- Rate of population has slowed in wealthy nations but ocntinues to increase rapidly in poorer, less developed nations |
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Definition
The idea that we surpass carrying capacity then the population collapse and carrying capacity is reduced. It has changed a bit due to technology |
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Management strategies for the commons- |
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Definition
Working in small groups
Establish rules and laws at Local levels
Economic incentives and mediation
Education |
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Definition
Cycle responsible for moving important nitrogen components through the biosphere and other earth systems
Extremely important because nitrogen is required by all living things |
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Intellectual standards for critical thinking |
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Definition
Clarity Accuracy Precision Relevance Depth Logic Significance Fairness |
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