Ecology Unit Review (Questions From The 2004 Md Hsa)

10 Questions | Total Attempts: 170

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Ecology Unit Review (Questions From The 2004 Md Hsa)

This multiple choice quiz will help you test your readiness for the ecology unit test.


Questions and Answers
  • 1. 
    Ladybugs eat aphids, which are a source of protein for the ladybugs. Which of these terms best describes the relationship between the ladybugs and the aphids?
    • A. 

      Mutualism

    • B. 

      Parasite–host

    • C. 

      Predator–prey

    • D. 

      Commensalism

  • 2. 
    Aphids are insects that feed on fluids from the stems of plants. After the aphids ingest the plant fluids, they excrete a liquid called honeydew.Some species of ants protect aphids from predators. The ants benefit by feeding on the honeydew produced by the aphids. Which of these terms best describes the relationship between the aphids and the ants?
    • A. 

      Mutualism

    • B. 

      Parasite–host

    • C. 

      Predator–prey

    • D. 

      Commensalism

  • 3. 
    As you move up the trophic levels from producers to second order consumers, you would expect the see the amount of available energy _____________.
    • A. 

      Decrease

    • B. 

      Increase

    • C. 

      Increase, then decrease

    • D. 

      There is no way to tell

  • 4. 
    On Earth, water cycles through the atmosphere, oceans, land, and organisms. By what process does most of the water in plants return to the environment?
    • A. 

      Evaporation from the roots

    • B. 

      Condensation on the leaves

    • C. 

      Evaporation from the leaves

    • D. 

      Diffusion from the roots

  • 5. 
    Which of these describes the role of the sanderling in the marine food web below?
    • A. 

      Producer

    • B. 

      Herbivore

    • C. 

      Carnivore

    • D. 

      Omnivore

  • 6. 
    Horseshoe crabs are used by fisherman for bait. If the horseshoe crab population were reduced by overfishing, which of these groups of organisms would most likely decrease in number?
    • A. 

      Plankton, razor clams, and loggerhead turtles

    • B. 

      Sanderlings, loggerhead turtles, and striped bass

    • C. 

      Grackles, plankton, and diamondback terrapin

    • D. 

      Striped bass, sanderlings, and razor clams

  • 7. 
    Scientists classify humans as omnivores, based on their teeth. As omnivores, humans eat _____.
    • A. 

      Only fungi

    • B. 

      Mostly plants and animals

    • C. 

      Only animals

    • D. 

      Mostly bacteria and fungi

  • 8. 
    How would the populations of other organisms in the energy pyramid be affected if the population of sea urchins suddenly decreased?
    • A. 

      Both the kelp and the sheephead populations would increase.

    • B. 

      Both the kelp and the sheephead populations would decrease.

    • C. 

      The kelp population would decrease, and the sheephead population would increase.

    • D. 

      The kelp population would increase, and the sheephead population would decrease.

  • 9. 
    What is the lowest level of the energy pyramid that contains carnivores?
    • A. 

      Level 1

    • B. 

      Level 2

    • C. 

      Level 3

    • D. 

      Level 4

  • 10. 
    A student used a microscope to observe several protists. The student sketched the protists and recorded their magnifications. The drawings and measurements are shown below.Which of these protists is the largest?
    • A. 

      Difflugia

    • B. 

      Stentor

    • C. 

      Euglena

    • D. 

      Paramecium

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