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APES Unit 1 Vocabulary

Quiz by Amanda Jones

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112 questions
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  • Q1
    rate at which organic matter is created by producers in an ecosystem
    Primary productivity
    30s
  • Q2
    Microscopic, free-floating, autotrophic organisms that function as producers in aquatic ecosystems
    Phytoplankton
    30s
  • Q3
    The total amount of solar energy that producers in an ecosystem capture via photosynthesis over a given amount of time
    GPP (gross primary productivity)
    30s
  • Q4
    (Net Primary Productivity): the energy captured by producers in an ecosystem minus the energy producers respire
    NPP
    30s
  • Q5
    The hierarchical levels of the food chain through which energy flows from primary producers to primary consumers, secondary consumers and so on.
    Trophic levels
    30s
  • Q6
    the principle stating that matter is not created or destroyed during a chemical reaction
    Conservation of matter
    30s
  • Q7
    A consumer that eats both plants and animals
    Omnivore
    30s
  • Q8
    A consumer that eats only animals.
    Carnivore
    30s
  • Q9
    A consumer that eats only plants.
    Herbivore
    30s
  • Q10
    Energy can be transferred and transformed, but it cannot be created or destroyed.
    First law of thermodynamics
    30s
  • Q11
    when energy is changed from one form to another, some useful energy is always degraded into lower quality energy (usually heat)
    second law of thermodynamics
    30s
  • Q12
    Shows the amount of energy that moves from one feeding level to another in a food web
    Energy pyramid
    30s
  • Q13
    Only 10% of the total energy produced at each trophic level is available to the next level. The amount of energy passed up to the levels of the food pyramid reduces as you go up.
    10% rule
    30s
  • Q14
    A series of steps in which organisms transfer energy by eating and being eaten
    Food chain
    30s
  • Q15
    a system of interlocking and interdependent food chains.
    Food web
    30s

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