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5 Written questions

5 Matching questions

  1. cell
  2. positive feedback loop
  3. hydrosphere
  4. hydrocarbons
  5. nucleic acid
  1. a Rather than stabilizing a system, they drive it further toward an extreme. E.g. Can occur with the process of erosion, the removal of soil by water or wind.
  2. b Encompasses all water, salt or fresh, liquid, ice or vapor in the surface bodies, underground, and in the atmosphere
  3. c Contain only carbon and hydrogen, Make up fossil fuels,
    The simplest hydrocarbon is methane (natural gas),
    Can be a gas, liquid, or solid
  4. d Directs the production of proteins
  5. e The basic unit of life's organization

5 Multiple choice questions

  1. Tiny animals that consume phytoplankton
  2. All organisms and non-living entities occurring and interacting in a particular area. Animals, plants, water, soil, nutrients, etc.
  3. Potential energy held in the bonds between atoms. Potential energy is changed into kinetic energy to produce motion, action, and heat.
  4. Study the loss, protection, and restoration of biodiversity
    Humans are dividing habitat into small, isolated patches.
    Corridors of habitat can link patches.
  5. Energy can change forms, but cannot be created or destroyed

5 True/False questions

  1. lithosphereContains the rock sediment beneath our feet, in the planet's uppermost layers


  2. phytoplanktonMicroscopic photosynthetic algae, protists, and cyanobacteria that drift near the surface


  3. ionsElectrically charged atoms


  4. patchesEcosystems, communities, or habitat form the landscape and are distributed in complex patterns (a mosaic)


  5. productivityRate at which autotrophs convert energy to biomass


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