Ecology Water Grab bag Soils Obesity/grab bag
100
What is the living component of the ecosystem called?
biotic
100
On the average, the American consumer uses ____ gallons of water per day.
151 gallons
100
Photovoltaic cells are associated with this type of energy.
Solar
100
Give three examples of organic matter
dead leaves, manure, earth worms
100
What are two health risk associated with obesity?
heart risk, high blood pressure.
200
What are the three compoments of the food chain?
Producers, Consumers and Decomposers
200
What percent of the human body is made up of water?
65%
200
What does an omnivore feed on?
both plants and animals
200
What are the three soil separates?
Sand, Silt and Clay
200
What are the two macronutrients that have the potential to cause algae blooms?
Nitrogen and Phosphorus
300
What is the maximum population of a given species living and interacting in an area called?
Carrying Capacity
300
Contaminates in water are measured in what increment?
PPM
300
Explain the world's water supply.
97% fresh water, 3% fresh
300
Give an example of physical weathering.
frost wedging, wind erosion, and water erosion.
300
What is the predicted population for 2050?
9.3 Billion
400
Photosynthesis, food, waste, carbon dioxide, microbial activity, and nutrient release are examples of what cycle?
Carbon cycle
400
Which organization was the first to regulate water quality standards?
Army Corps of Engineers
400
What is the world's fresh water supply?
77% ice caps, 23% ground water, and 1% atmospheric and surface water.
400
Draw and label a soil matrix
45% mineral material, 5% OM, 25% air and 25% water.
400
How does education impact birth rate?
The more education one has the less children they are expected to have.
500
The different layers in a plant community, such as ground layer, shrubs, and tree layers
Stratification
500
Give an example of thermal pollution
Company discharging warm water into a stream.
500
What is grey water?
Water that is used for laundry, dishes, and bathing.
500
What is illuviation? Which layer does it occur in?
the layer of soil in which nutrients accumulate, B horizon
500
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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