ENV Ecology Exam Review
Quiz by Mandy McDougal
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52 questions
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- Q1Why is the world's loss of biodiversity a source of concern?Activities like hunting excess deer to maintain healthy population sizes have negative effectsHumans depend upon other organisms for food and oxygenSpecies extinctions have been rare throughout historyLoss of biodiversity is not a concern because extinctions are common.120s
- Q2A focus of environmental science not studied in ecology is theenergy flow in the ecosysteminteraction among living thingsinfluence of humans on the environmentcarbon, nitrogen and phosphorus geochemical cycles120s
- Q3Which of the following describes the depletion of a renewable resource?increasing use of solar energy to generate electrical powerhunting of excess deer to maintain a healthy population sizeintensive cultivation of farmland that exhausts soil nutrientsmining coal120s
- Q4The "tragedy of the commons" describes the conflict betweenindividuals and societydeveloping and developed nationsfarmers and industrialized societyCanada and Mexico120s
- Q5A sustainable world would be characterized by thepreservation of rare animals by relocation from natural habitats to laboratories.invention of safer storage facilities for increased amounts of toxic wastes.indefinite existence of human populations in a healthy and prosperous condition.maximum exploitation of natural resources using more advanced technologies.120s
- Q6An ecological footprint is thenumber of trees people cut down.amount of land and ocean area needed to support one person's activities.number of animals a person has killed.mark a person's shoe makes in soft earth.120s
- Q7A resident of ______is likely to leave the largest ecological footprint.IndonesiaBritainthe United StatesIndia120s
- Q8"Tragedy of the Commons" addresses the conflicts associated with what environmental challenge?preserving biodiversitycurbing overpopulationpreventing pollutionprotecting shared resoureces120s
- Q9Data that are in the form of numbers that can be collected and measured is calleddistributionquantitative dataqualitative datamean120s
- Q10The group that does not receive the experimental treatment in an experiment is thecontrolled variabledependent variableexperimental groupcontrol group120s
- Q11In an experiment, the factor of interest (what the scientist wants to know) is called theindependent variableexperimental groupdependent variablecontrol group120s
- Q12The average mass of a wolf in a pack of wolves is an example ofmeanmodemediandistribution120s
- Q13The experimental method includes which of the following steps?observing, hypothesizing, prediction, experimenting, and communicating resultsbeing curious, imagining, being able to see patterns, observing and predictingdrawing conclusions, being open to new ideas, and communicating resultsremaining skeptical, organizing data, and analyzing data120s
- Q14Which step in the experimental method are scientists conducting when they photograph birds in flight?observingdrawing conclusionshypothesizinganalyzing data120s
- Q15What essential characteristic does a good experiment have?a control group is given the experimental treatmentA single variable is tested and a control is used.a dependent variable and independent variable is usedthe hypothesis is rejected by the experiment120s