exam review
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| which country is most likely to have either a stabilized or slowly growing population? | canada
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| what is a biodegradible material that becomes a pollutant if allowed to accumulate more rapidly than is can decompose? | newspaper
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| during the ____ periods humans altered their habitats. | hunter-gatherer, agri. revolution, and industrial revolution
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| in which country is the population likely to be inceasing most rapidly? | kenya
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| according to the law of supplyand demand what would occur if the supply of oil declined and the demand remained the same? | oil prices would increase
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| which of the following is a developing nation? | ethiopia
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| compared to developing nations developed nations have? | greater personal wealth
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| the term biodiversity refers to | the numbe and variety of species that live in an area
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| sunlight, air, forests, minerals, and water are all____ | natural resources
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| the introduction of harmful levels of chemicals or wastes into the environment is called_____ | pollution
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| the chance that an earthquake will occur is? | risk
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| what essential characteristic does a good experiment have? | a single varible is tested and a control is used
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| numeric information called____is gathered in an experiment. | data
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| what is the mainteance of human communities, their values , and their traditions | cultural value
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| a ___ can explain an odservation and predict what might happen in the future | theory
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| principles or standards we consider important are known as? | values
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| a model od a dinosaur is an example of a ____ model | physical
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| the first step in decision making is? | to gather information
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| what is a testable explanation for an observation? | hypothesis
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| what includes maps and charts | a graphical model
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| a fault is a break in the earth's? | crust
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| deep currents flow along the___ | ocean floor
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| ozone is a molecule made up of? | 3 oxygen atoms
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| what are the pieces that compose the lithosphere? | tectonic plates
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| the transfere of energy through space is? | radiation
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| with respect to matter earth is mostly? | a closed system
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| small streams and rivers that flow into larger ones are called? | tributaries
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| the richter scale is used to measure the amount of energy released by an? | earthquake
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| the part of the earth that contains the air we breath is called the? | atmosphere
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| which of the following are producers of oxygen? | plants
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| trait unintentionally selected by humans | resistance
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| trait that increases an organism's chance of survival | adaptation
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| many angiosperms depend on animals for | pollinating their flowers and distrbuting their seeds
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| which of the following are vertabrates? clams, frogs, worms, or insects | frogs
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| what is considered a lower plant | ferns and mosses
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| the place that contains everything and organism needs is its | habitat
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| archaebacteria and eubacteria are | two kingdoms
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| single-celled organisms with cell walls but no nuclei are | bacteria
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| a collie is a breed of dog that exists because of | artifical selection
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| algae are a type of organism in the kingdom of | protist
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| the initial source of food in most ocean and freshwater ecosystems is | algea
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| which organism is likely to be in the bottom trophic level of a food chain | algae
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| which gas makes up 78% of our atmosphere | nitrogen
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| what is likely to be a pioneer species | shrub
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| what term is used to refer to the main feeding relationships that are possible in an ecosystem | food web
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| which kind of organism obtains energy only from producers | herbivores
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| a process in which energy from the sun is used to make sugar molecules is called | photosynthesis
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| organisms that break down dead organisms for their food | decomposers
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| a lion is a | carnivore
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| the first organisms to colonize any newly avabile are are known as | pioneer species
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| name a photosynthetic organism | freshwater algae
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| if you visited a savanna you would likely see | large herds of grazing animals
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| deforestation of the rainforests may cause climate changes which in turn may affect | flooding
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| desert are | often formed on the dry side of mountain ranges
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| the main factor that determines what type of plants grow in a biome | temperature and percipitation
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| biomes... | are usually described by their vegitation
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| a___biome has annual rainfall of less than 25 cm | desert
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| the frozen layer of soil just beneath the surface | permafrost
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| why are tropical rainforest being destroyed | agriculture
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| animals such as bison and badgers live on the North American | grasslands
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| a _____ biome recieves 200 to 450 cm of rain per year | tropical rainforest
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