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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 |