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Stack #519901
| Question | Answer |
|---|---|
| a biodegradable material that becomes a pollutant if allowed to accumulate more rapidly than decompose | newspaper |
| describes the depletion of a natural resource | intensive cultivation of farmland that exhausts soil nutrients |
| the tragedy of the commons describes the conflict between what? | individuals and society |
| a sustainable world would be characterized by what? | indefinite existance of human ppulations in a healthy and prosporous condition |
| if supply of oil dropped and the demand remained the same what would happen? | price would increase |
| an ecological footprint | the amount of land and ocean area needed to support one person |
| biodiversity | the number and variety of species that live in an area |
| what country has the largest ecological footprint? | US |
| sunlight, air, forests, minerals, and water are what? | natural resources |
| pollution | introdustion of harmful chemicals or waste into the environment. |
| classification and collection of data that are in numbers is called | statistics |
| group that doesn't recieve experimental treatment in an experiment is the | control group |
| what kind of model would a dinasour be? | physical |
| chance an earthquake will occur in your town in the next year is an example of | risk |
| educational value | accumulation, sharing of knowlage |
| prediction | logical statement about what will happen |
| experiment | procedure used to test the hypothesis |
| ethical/moral value | what is wright or wrong |
| recreational | human leisure activities |
| conceptual model | a flow chart |
| how did the himalaya mountains form? | colliding tectonic plates |
| what produces oxygen? | plants |
| the ozone layer is located in the what? | stratosphere |
| Richter scale | measures magnitude of an earthquake |
| deep currents flow along he what? | ocean floor |
| earth is an | closed system |
| the boundary between warm and cold water in an ocean or lake is | thermocline |
| a volcano is a mountain built from? | magma |
| the transfer of energy through space is? | radiation |
| ozone is a molecule made up of? | 3 oxygen atoms |
| energy comes from the | sun |
| organisms that are most likely to belong to the same species are | people |
| what describes soil and temperture in an ecosystem | abiotic factors |
| which is not a biotic factor in an ecosystem | air |
| gymnosperm is | plant |
| what kind of organisms obtain energy from producers | herbivores |
| animals that eat meat are called | carnivores |
| organisms that break down dead matter is called | decomposers |
| animals without backbone | invertebrate |
| animals with backbone | vertebrates |
| the main factors that determine what types of plants grow in a biome is? | temp. and precipitation |
| tropical rainforests are threatened by? | deforestation and the trade of rain forest plants and animals |
| taiga | dominated by pine trees |
| estivating | burying in the ground |
| deserts are formed where? | on the dry side of a mountain |
| canopy | receives the most sunlight |
| how are tundra and desert biomes alike? | both are dry |
| tundra | has a layer of soil permanentely frozen beneath the top soil |
| biomes | usually described by their vegetation |
| the dist. north or sounth of the equator is measured in degrees called? | latitude |
| two main freshwater wetlands | marshes and swamps |
| what keeps phytoplankton from sinking | flagella |
| swamps are commonly found on | flat poorly drained land |
| what causes most coastal pollution | industrial waste and sewage |
| majority of marine organisms are found in | shallow coastal waters |
| ecosystems where both fresh and salt water is present | estuaries |
| salinity | salt level |
| ecosystem with highest salinity | salt marsh |
| organism produces most food in an equatic ecosyystem | phytoplankton |
| diverse and abundant life is in what zone | littoral |
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