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5 Written questions

5 Matching questions

  1. macromolecules
  2. atoms
  3. solution
  4. polymers
  5. productivity
  1. a The smallest components that maintain the chemical properties of the element
  2. b Rate at which autotrophs convert energy to biomass
  3. c No chemical bonding, but is a mixture of substances (i.e., blood, ocean water)
  4. d Organic compounds that combine to form long chains of repeated molecules, building blocks of life
  5. e Proteins, nucleic acid and carbohydrates, lipids are not polymers but are also essential to life, they are all large in size

5 Multiple choice questions

  1. The basic unit of life's organization
  2. An increasing state of disorder. For example, burning a log of firewood transforms the log from a highly organized product into light and heat energy, gases, smoke, and carbon ash.
  3. Solutions have a pH less than 7.
  4. Consists of all the planet's living organisms and the abiotic (nonliving) portions of the environment with which they interact.
  5. Release of water vapor by plants

5 True/False questions

  1. poolsThe smallest components that maintain the chemical properties of the element


  2. kinetic energyEnergy of motion


  3. matterRegions of DNA that code for proteins that perform certain functions


  4. half lifeSolutions have a pH greater than 7.


  5. negative feedback loopRather 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.