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AP Environmental Science - Chapter 1
8th edition of ENVIRONMENT
Terms in this set (21)
According to scientists, the Earth's age is:
4.5 billion years
The most important environmental problem facing the people on Earth is:
increasing human numbers
According to the World Bank, approximately what percentage of the world's population lives in extreme poverty?
The calculated ecological footprint for each person on Earth is 1.9 hectares. The current global ecological footprint of each person is 2.3 hectares. Which of the following statements are correct?
1) Humans have used fewer resources than we have been allotted.
2) Humans have used more resources than we have been allotted.
3) Humans have an ecological deficit.
2 and 3
What is not a factor in determining environmental impact?
the type of resource consumed
Many experts in environmental problems think human society is not operating in a sustainable way. What behavior will help society to operate in a sustainable way?
reducing consumption of resources and living within limits
What is not a factor that promotes sustainable development?
politically correct decisions
The branch of biology that studies interrelationships between organisms and their environment is:
Because environmental scientists are asked to reach a consensus before the facts are complete, they often make recommendations based on:
In which step of the scientific method are data collected by making careful observations and measurements?
perform experiment to test hypothesis
A well-designed experiment tests the hypothesis that a given concentration of chemical X in water will not harm goldfish. The control group of goldfish in this experiment would:
not be exposed to chemical X
A well-designed experiment tests the hypothesis that a given concentration of chemical X in water will not harm goldfish. What is the experimental variable?
What is not true about theories?
A good theory does not change even when new information becomes known.
A 'Green Roof' is a roof that contains ________?
living vegetation and soil
Discovering general principles by carefully examining specific cases is:
In addressing environmental problems, the affected parties, through their elected officials, select a course of action and implement it in the step called:
Why is a bloom of the Australian spotted jellyfish undesirable in the ocean?
Scientists think the bloom may indicate an imbalance in the marine environment that may harm commercial fisheries, this jellyfish is an invasive species, and by eating food needed by other organisms, a bloom may reduce local fish, crab and shrimp populations.
Why was Lake Washington under increasing environmental pressure between 1941-1954?
Treated sewage from suburbs around the lake was being released into it.
In the risk assessment phase of the Lake Washington pollution problem, what was the proposed plan to deal with the sewage effluent?
Treat the sewage effluent further then discharge it into Puget Sound.
One definition of poverty is __________ .
Per capita income less than $2 per day
Highly developed countries consume _____ of the world's resources, and yet make up ______ of the world's population.
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