Semester Exam
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| During what period did humans alter their habitats? | hunter-gatherer, Industrial Revolution, & agricultural revolution
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| What was not a direct result of the industrial revolution? | overhunting of large mammals
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| Which country's population is most likely to be increasing? | Kenya
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| Using scientific information from chemistry and biology to devise a plan to clean up a lake and make it healthy again describes | Environmental science
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| Why is the world's loss of biodiversity a source of concern? | Humans depend on other organisms for food and oxygen
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| What is a biodegradable material that becomes a pollutant if allowed to accumulate more rapidly than it can decompose? | newspaper
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| What describes the depletion of a renewable resource? | intensive cultivation of farmland that exhausts soil nutrients
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| What does not involve environmental science? | asking people questions about the cost of various resources
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| The fact that useful man-made substances can cause unforseen damage is illustrated by | the detection of Oscillatoria rubencens in Lake Washington, the condition of the atmosphere's protective ozone layer, and the pollution of the Gulf of Mexico's farm chemicals
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| What country is most likely to have either a stabalized or slowly growing population? | Canada
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| The classification and collection of data that are in form of numbers is called | statistics
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| The group that does not receive the experimental treatment in an experiment is the | control group
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| In an experiment,the factor of interest is called the | variable
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| The average mass of a wolf in a pack of wolves is an example of | mean
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| A model of a dinosaur is an example of what kind of model? | physical
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| THe chance that an earthquake will occur in your town during the next year is an examlpe of what? | risk
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| WHich step in the experimental method are scientists conductin when they photograph birds in flight? | observing
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| Before you can make a decision using a decision-making model, what step must you make? | Gather Information
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| Curiosity and imagination are important in science because they are | abilities in scientists that help expand our knowledge
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| What essential characteristic does a good experiment have? | A single variable is tested and a control is used
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| What is not one of the compositional layers of Earth? | mesophere
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| Ozone is a molecule made up of | 3 oxygen atoms
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| The most abundant gas in Earth's atmosphere is | nitrogen
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| A fault is a break in the Earth's | crust
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| How did the Himalaya Mountains form? | coliding tectonic plates
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| The boundry between warm and cold water in an ocean or lake is | thermocline
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| Volcanoes occur at tectonic plate boundaries that are | coliding and seperating from one another
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| Deep currents flow along the | ocean floor
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| The Richter scale best describes the | magnitude of an earthquake
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| With resepct to matter Earth is mostly | a closed system
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| The ozone layer is located in the | stratosphere
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| The energy in most ecosystems from what? | the sun
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| Which animal is successful because it moves quickly, reproduces rapidly, and has a waterproof external skeleton? | ants
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| What algae's use energy from the sun to make food? | seaweed, phytoplankton, and giant kelp
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| What describes soil and temperature in an ecosystem? | Abiotic factors
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| One way that bacteria and fungi are important to the environment is that they | break down dead organisms
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| If an insect can no longer be killed by a particular insecticide, it has developed what? | resistance
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| Most bacteria including the kinds that cause disease and those found in garden soil, belong to what kingdom? | eubacteria
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| The intial source of food in most ocean and freshwater ecosystems is | phytoplankton
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| The intial source of food in most land ecosystems is | plants
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| Pine trees and other conifers are classified as what because they are woody plants, the seeds of which are not enclosed in fruits? | gymnosperms
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| Biomes with higher temperatures and less percipitation tend to have | shorter and denser vegetation
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| The main factor that determines what type of plants grow in a biome is | temperature and precipitation
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| Tropical rain forests are threatened by | deforestation and the trade of rain forest plants and animals
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| If you visited a savanna, you would likely see | large herds of grazing animals such as rhinos, gazelles, and giraffes
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| Which of the following is located primarily in coastal areas that have Mediterranean-style climates with warm dry summers and mild wet winters? | chaparral
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| The deforestation of the rain forests may cause climate changes which in turn may affect | habitat destruction
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| The tundra | has a layer of soil that is permanetly frozen beneath the top soil
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| Which of the following adaptions are used my animals of the Artic tundra? | rodents burrow underground for winter protection
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| biomes | are usually described by their vegetation
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| The distance north or south of the equator as meausred in degrees is called | latitude
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| What are the two main types of freshwater wetlands? | marshes and swamps
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| What adaptation prevents phytoplankton from sinking into deep water? | flagella
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| Estuaries are very productive ecosystems because they receive fresh nutrients from | rivers and oceans
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| Swamps are commonly found on | flat,poorly drained land
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| What causes most coastal pollution in the United States? | Industrial waste and sewage
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| The types of organisms found in a pond or lake depend on | the presence of nutrients temperature, the amount of sunlight available
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| As they flow down a mountain to flatter ground, rivers generally become | slower, warmeer, and wider
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| The majority of marine organisms are found in | shallow coastal waters
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| Which of the following is not an environmental function of wetlands | increasing runoffs
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| Estuaries | are ecosystems where both fresh water and salt water are present
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Created by:
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