Topic Test Review #1 – Flashcards
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An individual who interprets laws related to the environment most likely works in which field?
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A. environmental law
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Environmental scientists are unconcerned with methods to preserve natural resources.
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false
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Observation of tool-making among chimps was revolutionary primarily because scientists believed
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c. tool-making was a defining characteristic of humans
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Which of the following statements about agricultural societies is true?
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c. agricultural societies has a higher population than hunter-gatherer societies.
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Which of the following poses the greatest risk for species extinction?
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a. expansion of human cities
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Most animals are producers, meaning they are able to create their own food from inorganic sources.
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false
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Every fall, clusters of Monarch butterflies migrate into mexico. the traveling group of butterflies is one example of a
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a. species
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Environmental engineers minimize the impact of land development on the environment.
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true
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Explain the method scientists use to study how Earth's atmosphere and climate have changed during the past million years.
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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.
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Every year ____ species go extinct
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d. 20000
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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.
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Evironmental scientists study ways society can use up natural resources
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false
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Explain how the loss of a plant or producer, in an ecosystem can affect a secondary consumer
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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.
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Describe how human impact on the environment can be positive or negative.
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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.
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Describe the job of an environmental scientist
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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.
