How are world works
Most of today’s environmental problems began during which periods in human history?
A. hunter-gatherer period
B. agricultural revolution
C. industrial revolution
D. Both a and b
What is industrial revolution
What essential characteristic does a good experiment have?
A. A control group is given the experimental treatment
B. A single variable is tested
C. A control is used
D. Both b and c
What is Both b and c
Biodiversity can be altered by _____________.
A. unexpected changes in the climate of an ecosystem
B. a fire in the ecosystem
C. a flood in the ecosystem
D. all of the above
What is all of the above
With respect to energy, Earth is a (n)
A. unstable system
B. stationary system
C. open system
D. closed system
What is open system
A sustainable world would be characterized by the
A. preservation of rare animals by relocation from natural habitats to laboratories
B. invention of safer storage facilities for increased amounts toxic wastes
C. maximum exploitation of natural resources using more advanced technologies
D. indefinite existence of human population in a healthy and prosperous condition
What is indefinite existence of human population in a healthy and prosperous condition
In an experiment, the factor of interest is called the
A. control group
B. experimental group
C. hypothesis
D. variable
What is variable
Large- scale atmosphere phenomena caused by air that is constantly in motion is known as
A. conduction
B. convention
C. weather
D. hurricanes
What is weather
Which of the following is not one of the compositional layers of Earth?
A. mesosphere
B. mantle
C. outer core
D. inner core
What is mesophere
All of the following issues involve environmental science except
A. measuring smog levels in cities
B. asking people questions about the cost of various resources
C. studying the loss of plant and animal species
D. publishing the results of a study on fossil fuel depletion
What is asking people questions about the cost of various resources
What part of Earth encompasses all areas where organisms can obtain the energy they need?
A. biosphere
B. hydrosphere
C. atmosphere
D. lithosphere
What is biosphere
With respect to matter, Earth is mostly
A. an open system
B. an closed system
C. an ecosystem
D. a biosphere
What is closed system
Which of the following is not a mechanism of energy transfer through or within Earth’s atmosphere?
A. radiation
B. condensation
C. conduction
D. convection
What is condensation
The term “biodiversity” refers to
A. the number of species living on Earth
B. The number and variety of species living on Earth
C. The number and variety of species that are considered renewable
D. The number and variety of species that live in an area
What is the number and variety of species that live in an area
Repeated pesticide use on an insect population can result in pesticide resistance in the population over time. Which process is responsible for a reduction in the effectiveness of the pesticide?
A. divergent evolution
B. natural selection
C. bottleneck effect
D. selective breeding
What is natural selection
Nitrogen is changed from a free gas to a usable form by a process called
A. nitrogen compounding
B. nitrogen fixation
C. nitrogen circulation
D. nitrogen decomposition
What is nitrogen fixation
How did the Himalaya Mountains form?
A. erosion
B. convection
C. glacial movement
D. colliding tectonic plates
What is colliding tectonic plates
Why is the world’s loss of biodiversity a source of concern?
A. humans depend upon other organisms for food and oxygen
B. species extinctions have been rare throughout history
C. loss of biodiversity is not a concern because extinctions are common
D. both a and b
What is humans depend upon other organisms for food and oxygen
A shift in climate changes a forested area with little annual snowfall to an area with snowfall most of the year. Natural selection would MOST likely favor a rabbit with which adaptation?
A. dark coat color
B. increased body fat
C. large ears to release body heat
D. more powerful legs for burrowing
What is increased body fat
Which of the following includes all of the water on or near Earth’s surface?
A. Hydrosphere
B. Geosphere
C. Atmosphere
D.Lithosphere
What is hydrosphere
Surface currents circulates in different directions, depending on the ____________ in which they occur
A. hemisphere
B. geosphere
C. atmosphere
D. Lithosphere
What is hemisphere