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