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5 Written questions

5 Matching questions

  1. high net primary productivity
  2. molecules
  3. primary production
  4. phytoplankton
  5. neutrons
  1. a Combinations of two or more atoms that bond together
  2. b Microscopic photosynthetic algae, protists, and cyanobacteria that drift near the surface
  3. c Particles lacking electric charge
  4. d Ecosystems whose plants rapidly convert solar energy to biomass
  5. e Conversion of solar energy to chemical energy by autotrophs

5 Multiple choice questions

  1. The basic unit of life's organization
  2. Solutions have a pH of 7 (i.e., pure water).
  3. Process of nutrient overenrichment, blooms of algae, increased production of organic matter, and subsequent ecosystem degradation
  4. Energy remaining after respiration, used to generate biomass. Available for heterotrophs
  5. Single-celled organisms lacking organelles and a nucleus
    Bacteria and archaea

5 True/False questions

  1. productivityLong chains of organic molecules called amino acids


  2. landscape ecologyPotential energy held in the bonds between atoms. Potential energy is changed into kinetic energy to produce motion, action, and heat.


  3. hydrocarbonsContain only carbon and hydrogen, Make up fossil fuels,
    The simplest hydrocarbon is methane (natural gas),
    Can be a gas, liquid, or solid


  4. fluxMovement of nutrients among pools. Can change over time.


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