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Unit 3 Practice Questions (Part 2)

Quiz by Heather Murphy [White MS]

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25 questions
Show answers
  • Q1
    Is sand biotic or abiotic?
    Biotic
    Abiotic
    30s
  • Q2
    Is the sun biotic or abiotic?
    Biotic
    Abiotic
    30s
  • Q3
    Is temperature biotic or abiotic?
    Abiotic
    Biotic
    30s
  • Q4
    Are fungi biotic or abiotic?
    Abiotic
    Biotic
    30s
  • Q5
    The remora attaches itself to the shark and saves energy since it doesn’t have to swim. Plus, it gets to snack on the shark's kills. The shark doesn’t get anything. Which symbiotic relationship is this?
    Parasitism
    Commensalism
    Mutualism
    30s
  • Q6
    Ants lay eggs on the acacia tree, so they get a nice safe place for their eggs. The acacia covers this infected area with brown flesh (called a gall.) The plant has to use valuable resources to create the gall. Which symbiotic relationship is this?
    Mutualism
    Commensalism
    Parasitism
    30s
  • Q7
    A moray eel has a small fish cleaning between its teeth. The eel gets a clean mouth while the cleaner fish gets a nice meal. Which symbiotic relationship is this?
    Mutualism
    Parasitism
    Commensalism
    30s
  • Q8
    A hummingbird moth is drinking the nectar of a flower. The flower gets pollinated (the moth brings pollen from other flowers) and the moth gets a tasty meal. Which symbiotic relationship is this?
    Commensalism
    Parasitism
    Mutualism
    30s
  • Q9
    Using only the relationships between the organisms shown in the diagram, if most of the caterpillars are killed, which of the following statements describes what will happen to the number of robins and why?
    Question Image
    The number of robins will decrease because there are not enough caterpillars for them to eat.
    The number of robins will stay the same because a change in the population of caterpillars will not affect any other population of organisms.
    The number of robins will stay the same because the caterpillars are killed, not the robins.
    The number of robins will increase because there are fewer caterpillars to eat them.
    30s
  • Q10
    Using only the relationships between the organisms shown in the diagram, which of the following populations of organisms could be affected if the number of frogs changes?
    Question Image
    The populations of all of the organisms shown in the diagram could be affected.
    Only the populations of plants, beetles, and bears could be affected.
    Only the frog population could be affected.
    Only the populations of beetles, hawks, bears, and owls could be affected.
    30s
  • Q11
    An ecosystem consists of:
    all of these.
    a community of organisms.
    energy.
    soil, water, and weather.
    30s
  • Q12
    An organism's niche includes:
    where it eats.
    what it eats.
    when it eats.
    all of these.
    30s
  • Q13
    Which of the following can limit the growth of a population of organisms?
    Neither the number or predators nor diseases can limit the growth of a population of organisms.
    Both the number of predators and diseases can limit the growth of a population of organisms.
    The number of predators can limit the growth of a population of organisms, but diseases cannot.
    Diseases can limit the growth of a population of organisms, but the number of predators cannot.
    30s
  • Q14
    A national park is home to large populations of mountain lions, deer, rabbits, and grass. Recently, park rangers decided to introduce wolves to the park. Mountain lions and wolves both eat deer and rabbits. Deer and rabbits both eat grass. If the number of deer and rabbits eaten by the mountain lions stays the same, what will happen to the grass after wolves are introduced? Use only the relationships between the plants and animals described above.
    The amount of grass will decrease, but some will remain.
    The amount of grass will stay the same.
    The amount of grass will increase.
    The amount of grass will decrease until it is all gone.
    30s
  • Q15
    How do humans contribute to habitat destruction?
    By introducing non-native species of plants and animals
    By triggering severe earthquakes
    All of these
    By developing devastating storms
    30s

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