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Cc Environmental Science Quiz 29

Cc Environmental Science Quiz 29

Cc Environmental Science Quiz

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Quiz Questions And Answers

Volcanoes are commonly found: 1. above hot spots. 2. where land masses on two different plates come together. 3. along subduction zones.

2 only
2 only
1 and 3

What is landscape ecology?

the study of human-designed communities.
The study of the influences of pollution on natural ecosystems.
A science exclusively concerned with terrestrial ecosystems.
The study of the connections among various ecosystems.

What are the three main ecological categories of organisms found in aquatic ecosystems?

Plankton, nekton, fish
Plankton, benthos, littoral
Plankton, nekton, benthos
Benthos, mangal, littoral

Which of the following statements about extinction is false?

Extinction is the elimination of a species from Earth.
Background extinction eradicates a large number of species during a relative short period of geologic time.
Mass extinctions have occurred 5-6 times throughout Earth's history.
Extinction rates are accelerated by human activities.

Industrialized agriculture's increased use of pesticides over the past years is resulting in

fewer insects and weeds developing resistance to pesticides.
More insects and weeds developing resistance to pesticides.
More beneficial microorganisms in the soil
More biodiversity of fish and other aquatic organisms not affected by the pesticides.

Temperatures in parts of Great Britain are significantly warmer than parts of Canada at that same latitude because of what phenomenon?

An enhanced greenhouse effect.
Because it is an island buffered by ocean water.
The ocean conveyor belt
ENSO conditions.

What accounts for the highest percentage of the world's total water consumption?

Industry
Domestic and municipal use
Recycling
Irrigation

Why is carbon dioxide considered a greenhouse gas?

It is released when fossil fuels are burned. ✓
It is part of the carbon cycle, which is also known as the greenhouse cycle.
It can absorb infrared radiation.
It is responsible for protecting organisms from UV radiation.

Even if all burning of fossil fuels was stopped today, why will temperatures continue to increase?

Fossil fuel emissions are not responsible for the enhanced greenhouse effect.
Greenhouse gases remain in the atmosphere for many years.
Deforestation must also be stopped in order for temperatures to decline.
Increased methane emissions will more than make up for the difference.

What accounts for the highest percentage of the world's total water consumption?

Domestic and municipal use
Recycling
Irrigation
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