Study

Matter and Energy in an ecosystem

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  • If 34000 J are available at the first trophic level, how much energy will be available at trophic level 2
    3400J
  • How much of the carrot plant's energy does a bunny obtain when he eats the plant?
    10%
  • If 34000 J are available at the first trophic level, how much energy will be available at trophic level 4
    34J
  • An example of a decomposer is a ______________ .
    Bacteria, Fungi
  • What is the first step in cellular respiration?
    Glycolysis
  • What is the first step in photosynthesis?
    Light-dependent reaction
  • In an energy pyramid, which level has the most available energy?
    producer
  • Label the missing part?
    decomposer
  • What tool shows the amount of energy available at each feeding level?
    Energy pyramid
  • An insect that eats grass is a _____________ on the trophic pyramid.
    primary consumer
  • How many ATP molecules are produced as a product of cellular respiration ?
    36 0r 38
  • What process is best illustrated by the diagram? In which cell organelle would it happen?
    Cellular respiration and it happens in mitochondria
  • What changes could be done to experiment 2 in order to increase the rate of photosynthesis?
    increase the amount of carbon dioxide and the light intensity(temperature)
  • How many ATP molecules are added to get glycolysis started?
    2
  • what are the reactants of photosynthesis?
    water and carbon dioxide
  • what are the reactants of cellular respiration?
    oxygen and glucose
  • Predict what would happen if all of the bunnies in the food chain below died of disease: grass--> bunny--> snake--> hawk
    Grass population will increase and snake population will decrease
  • Which experiment has the highest rate of photosynthesis?
    experiment 3
  • ____________are organisms that take in energy when they feed on producers or other consumers.
    consumers
  • A___________ is an organism that makes its own food.
    Producer
  • What gas is released in this experiment?
    O2