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MOBSQ Exams
| Question | Answer |
|---|---|
| During the ____ period(s), humans altered their habitats. | Hunter gather, Industrial Revolution, and Agricultural Revolution |
| in which country is the population likely to be increasing most rapidly? | kenya |
| The ___ was not a direct result of the industrial revolution? | Overhunting of large mammals |
| Using scientific information from chemistry and biology to devise a plan to clean up a lake and make it healthy again describes | enviromental science |
| A resident of____ is likely to leave the largest ecological footprint. | the united states |
| Why is the world's loss of biodiversity a source of concern? | Humans depend on other organisms for food and oxygen |
| which of the following describes the depletion of a renewable resourcE? | INTENSIVE cultivation of farm land that exhaust soil nutrients. |
| Which country is most likely to have either a stabalized or slowly growing population? | Canada |
| A resident of ___is likely to leave the largest ecological footprint. | United States |
| An ecological footprint is the___ | amount of land and ocean area needed to support one person |
| in an experiment the factor of intrest is called the | variable |
| the average mass of a wolf in a pack of wolves is an example of | mean |
| a model of a dinosaur is an example of a___model. | physical |
| the chance that an earthquake will occur in your town during the next year is an example of | risk |
| which step in the experimental method are scientist conducting when they photograph birds in flight? | observing |
| Good scientist demonstrate the habit of mind called ___ when they do not beleive everthing they are told. | skepticism |
| The first step in the decision making model is to ___ | gather information |
| Principles or standards we concider important are known as __ | Values |
| Numeric information called ___ is gathered in an experiment | data |
| Equations used to represent how a scientifc process works are called ____ models | mathmatical |
| how did the himalaya mountains form? | colliding tectonic plates. |
| ozone is a molecule made up of? | 3 oxygen atoms |
| a fault is a break in the earths | crust |
| the most abundant gas in earths atmosphere is? | nitrogen |
| volcanoes occur at tectonic plate boundaries that are | colliding and seperate from one another |
| deep currents flow along the | ocean floor |
| the richter scale best describes the | magnitude of an earthquake |
| with respect to matter earth is mostly | a closed system |
| the ozone layer is located in the | stratosphere |
| a volcano is a mountain built from? | magma |
| The energy in most ecosystems comes from | the sun |
| The organisms most likely to belong to the same species are | people at a football game |
| Which animal is successful because it moves quickly, reproduces rapodly, and has a water proof external skeleton | ant |
| Which of the following describes soil and temerature in an ecosystem | abiotic factors |
| Which best describes a population | members of the same species living in the same place at the same time |
| Which is a biotic factor in in an ecosystem | air |
| a gymnosperm is a | plant |
| Which kind of organisms obtains energy only from producers | herbivores |
| Which gas makes up 78 percent of our atmosphere but can be used by plants only when transformed by bacteria first | nitrogen |
| Which of the following plants is likely to be a pioneer species | shrub |
| If you visited a savanna, you would likely see | large herds of grazing animals, such as rhinos, gazelles, and giraffes |
| Animals that live in the desert | are usually nocturnal |
| Deserts are | often formed on the dry side of mountain ranges |
| Biomes | are usually described by their vegetation |
| The distance north and south of the equator, as measured in degrees, is called | latitude |
| The main factor that determines what type of plants growin a biome is | temperature and precipitation |
| Tropical rain forrest are threatened by | deforestation and the trade of rain forrest plants and animals |
| The tundra | has a layer of soil that is permanently frozen beneath the top soil |
| Estivating is? | burying in the ground and sleeping through the dry season |
| Which of the following is located primarily in costal areas that have Mediterranean-style climates with warm, dry summers and mild, wet winters? | chaparral |
| swamps are commonly found on | flat, poorly drained land. |
| the majority of marine organisms are found in | shallow, costal waters |
| as they flow down a mountain to flatter ground, rivers generally become | wider, warmer, slower |
| in the___ zone, life is diverse and abundant | littoral |
| in the___ zone, the water is cool and dark. | benthic |
| which organism produces more most of the food in an aquatic ecosystem. | phytoplankton |
| what are the two main types of freshwater wetlands. | marshes and swamps |
| which ecosystem has the highest level of salinity? | salt marsh |
| plankton form the___ of the marine food web. | base |
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