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10 questions
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  • Q1
    Which of these lists the descriptions in the correct order of ecological succession on Surtsey?
    Question Image
    I, II, IV, III
    II, IV, I, III
    III, I, II, IV
    IV, III, I, II
    60s
  • Q2
    The information shown in the graph suggests that the changes in the forest community were caused by —
    Question Image
    repeated habitat destruction
    succession after a fire
    tree-leaf replacement after a storm
    decreased species diversity
    60s
  • Q3
    The acacia ant nests and feeds in the plant’s hollow thorns. The ant helps protect the bullshorn acacia by attacking insects and grazing animals that come near the plant. The relationship between the acacia ant and the bullshorn acacia is an example of which of the following?
    Question Image
    Parasitism
    Neutralism
    Mutualism
    Commensalism
    60s
  • Q4
    Which two processes are identified by the labels X and Y?
    X: Fermentation Y: Nitrogen fixation
    X: Respiration Y: Predation
    X: Adaptation Y: Decomposition
    X: Decomposition Y: Respiration
    60s
  • Q5
    Parrotfish are herbivores that are found in coral reefs. To escape predation, a parrotfish will graze with a rabbitfish, which has venomous spines at the end of its pelvic fins. The rabbitfish does not benefit from this relationship. Which type of relationship do the parrotfish and the rabbitfish have in the coral-reef environment?
    Mutualistic
    Commensal
    Predator–prey
    Parasitic
    60s
  • Q6
    Which of the following should the student add more of to help remove nitrates and improve the natural cycling of nitrogen in this aquarium?
    Question Image
    Fish
    Nitrobacter
    Water
    Plants
    60s
  • Q7
    Atmospheric nitrogen has to be combined with other elements, or fixed, in order to be used by plants. Lightning is one way that nitrogen is fixed. When lightning occurs, the extreme heat breaks the bonds in nitrogen molecules, allowing nitrogen to combine with oxygen and form nitrogen oxides. In what way is most of the nitrogen fixed by lightning made available for use by plants?
    It is incorporated into the exoskeletons of flying insects that eat plants.
    It is carried by rain to the soil.
    It is moved by the wind toward dry areas.
    It is inhaled and exhaled by birds roosting in trees during rainstorms.
    60s
  • Q8
    Which of these organisms are in a trophic level that receives a larger percentage of the energy captured by the producers than the percentage received at the bats’ trophic level?
    Question Image
    Hawks
    Mountain lions
    Ground squirrels
    Snakes
    60s
  • Q9
    Based on the energy flow between trophic levels in an energy pyramid, how much energy would be expected to be found at the secondary consumer level in this pyramid?
    Question Image
    1,000 joules
    500 joules
    50 joules
    100 joules
    60s
  • Q10
    When constructing an energy pyramid of the swamp ecosystem, which of these would be placed at the top of the pyramid?
    Question Image
    Great blue heron
    Eastern mud turtle
    Grass carp
    American alligator
    60s

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