Ecology | Water | Grab bag | Soils | Obesity/grab bag |
---|---|---|---|---|
What is the living component of the ecosystem called?
biotic
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On the average, the American consumer uses ____ gallons of water per day.
151 gallons
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Photovoltaic cells are associated with this type of energy.
Solar
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Give three examples of organic matter
dead leaves, manure, earth worms
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What are two health risk associated with obesity?
heart risk, high blood pressure.
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What are the three compoments of the food chain?
Producers, Consumers and Decomposers
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What percent of the human body is made up of water?
65%
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What does an omnivore feed on?
both plants and animals
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What are the three soil separates?
Sand, Silt and Clay
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What are the two macronutrients that have the potential to cause algae blooms?
Nitrogen and Phosphorus
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What is the maximum population of a given species living and interacting in an area called?
Carrying Capacity
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Contaminates in water are measured in what increment?
PPM
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Explain the world's water supply.
97% fresh water, 3% fresh
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Give an example of physical weathering.
frost wedging, wind erosion, and water erosion.
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What is the predicted population for 2050?
9.3 Billion
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Photosynthesis, food, waste, carbon dioxide, microbial activity, and nutrient release are examples of what cycle?
Carbon cycle
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Which organization was the first to regulate water quality standards?
Army Corps of Engineers
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What is the world's fresh water supply?
77% ice caps, 23% ground water, and 1% atmospheric and surface water.
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Draw and label a soil matrix
45% mineral material, 5% OM, 25% air and 25% water.
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How does education impact birth rate?
The more education one has the less children they are expected to have.
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The different layers in a plant community, such as ground layer, shrubs, and tree layers
Stratification
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Give an example of thermal pollution
Company discharging warm water into a stream.
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What is grey water?
Water that is used for laundry, dishes, and bathing.
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What is illuviation? Which layer does it occur in?
the layer of soil in which nutrients accumulate, B horizon
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Explain what the purpose of IPM?
A method of controlling pest using multiple ways that are economically, socially acceptable and are not harmful to the environment.
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