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Later in his life, pioneering environmental philosopher Aldo Leopold would have most likely
agreed with which one of the following statements? Answer: Humans are members of the
land-community.
How did the agricultural revolution lead to an increase in human population numbers?
Answer: The shift from a nomadic lifestyle to settling down on farms led to people
producing more food to meet their nutritional needs, and therefore, having more children.
Which of the following is the study of how the natural world works, how our environment
affects us, and how we affect our environment? Answer: environmental science
Global population is projected to be nearly ________ in 2050. Answer: 8 billion
If a scientist travels to the rain forest to observe and catalog new species, he or she would
be conducting __________. Answer: descriptive science
Which of the following philosophies is the most anthropocentric? Answer:
conservationism
The average citizen of which of the following nations has the largest ecological footprint?
Answer: United States
Which statement best exemplifies the concept of sustainability? Answer: Water extracted
from underground resources must be equal to or less than the water that recharges the
underground resources.
What is the purpose of peer review? Answer: To guard against faulty science being
published
Read the following scenario and answer the question(s) below.
Pablo and Johanna have to do a yearlong study for their biology course. After some
discussion, they decide to try comparing their dogs and the diet that they feed them. Each
has a dog from the pound, and both dogs are less than one year old. Pablo feeds his
shepherd-mix dog a special diet of wet and dry foods from the local vet, while Johanna
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, uses generic dry kibble from the supermarket for her bulldog. They want to see which diet
results in bigger, healthier, faster-growing dogs.
According to the information given, one dependent variable in this study will be ________.
Answer: how much the dogs grow
In scientific research, the strongest form of evidence comes from __________. Answer: An
experiment is an activity designed to test the validity of a prediction or a hypothesis. This
provides evidence that can support or disprove the hypothesis.
Pablo and Johanna have to do a yearlong study for their biology course. After some
discussion, they decide to try comparing their dogs and the diet that they feed them. Each
has a dog from the pound, and both dogs are less than one year old. Pablo feeds his
shepherd-mix dog a special diet of wet and dry foods from the local vet, while Johanna
uses generic dry kibble from the supermarket for her bulldog. They want to see which diet
results in bigger, healthier, faster-growing dogs.
The reason the instructor gives them will include the fact that they have too many ________.
Answer: variables that they didn't control and not enough replicates
Academic environmental programs that emphasize the social sciences are often called
________ programs. Answer: environmental studies
Quantitative data ________. Answer: are data that are expressed as numbers and can be
tested using statistics
Ruben has a new puppy and wants to feed it the best possible food. He decides on an
experiment where he will feed it the very best canned food plus a dietary supplement of
vitamins recommended by a veterinarian. Which of the following best describes Ruben's
project? Answer: This is not an experimentthere are no controls or replicates.
Ecosystem services ________. Answer: are economically valuable services provided by
natural systems
Scientific inquiry is based on ________. Answer: an expanding knowledge based on
observation, questioning, testing and discovery
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