Topic Test Review #1

question

An individual who interprets laws related to the environment most likely works in which field?
answer

A. environmental law
question

Environmental scientists are unconcerned with methods to preserve natural resources.
answer

false
question

Observation of tool-making among chimps was revolutionary primarily because scientists believed
answer

c. tool-making was a defining characteristic of humans
question

Which of the following statements about agricultural societies is true?
answer

c. agricultural societies has a higher population than hunter-gatherer societies.
question

Which of the following poses the greatest risk for species extinction?
answer

a. expansion of human cities
question

Most animals are producers, meaning they are able to create their own food from inorganic sources.
answer

false
question

Every fall, clusters of Monarch butterflies migrate into mexico. the traveling group of butterflies is one example of a
answer

a. species
question

Environmental engineers minimize the impact of land development on the environment.
answer

true
question

Explain the method scientists use to study how Earth’s atmosphere and climate have changed during the past million years.
answer

Scientists first collect ice cores from deep under the arctic and antarctic ice shelves. Next they measure the concentrations of gasses trapped in the ice to determine how long ago the ice was formed and what the composition of the atmosphere was like at the time. These ice cores are like little time capsules showing what Earth’s atmosphere and climate were like in the past.
question

Every year ____ species go extinct
answer

d. 20000
question

How are the careers of environmental activist, environmental laywer, and journalists similar?
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These careers all deal with the interface between researchers and society.
question

Evironmental scientists study ways society can use up natural resources
answer

false
question

Explain how the loss of a plant or producer, in an ecosystem can affect a secondary consumer
answer

The loss of a plant, or producer, in an ecosystem can cause a decline in the animals that rely on it for food. In turn, the loss of those animals, the primary consumers, may cause a decline in the secondary consumers that rely on them for food.
question

Describe how human impact on the environment can be positive or negative.
answer

Humans may have a negative impact on the environment by overusing resources and depleting habitat space. Humans may also help save dying species and have made some positive contributions to ecosystems.
question

Describe the job of an environmental scientist
answer

The main job of an environmental scientist is to identify and address pollution and environmental problems. They monitor the air, water, and soil to help make sure it is all safe and clean.

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