Practice Test | Kullabs.com
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  • Organisms in trophic level 3 are ______.

    detritivores
    producers
    herbivores
    carnivores
  • The amount of energy actually incorporated into the biomass of phototrophs is ______

    standing crop biomass
    net primary productivity
    transpiration
    gross primary productivity
  • Carnivores represent what trophic level?

    producers
    secondary consumers
    primary consumers
    decomposers
  • Which of the following chemicals enters living organisms primarily from the atmosphere rather than from rocks or soil?

    calcium
    phosphorus
    carbon
    sodium
  • Which of the following are producers?

    grasshoppers
    bacteria
    algae
    termites
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