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Biology Chapter 3

Quiz by Mary Amato

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10 questions
Show answers
  • Q1

    Which statement is NOT true about the oxygen cycle?

    oxygen is restored to the air principally by photosynthesis

    oxygen is removed from the air principally by respiration

    oxygen is removed from the air by fire, ozone formation, and the rusting of metals and mineral

    oxygen is restored to the air by cellular respiration and water vapor formation

    60s
  • Q2

    Symbiosis means an organism’s role in its ecosystem, including its habitat, physical requirements, the time of day it is active, its place on the food chain, and when and how it reproduces

    false
    true
    True or False
    60s
  • Q3

    A population is a group of interbreeding organisms coexisting together

    true
    false
    True or False
    60s
  • Q4

    A decomposer is an organism that breaks down the dead remains of other organisms

    true
    false
    True or False
    60s
  • Q5

    A niche is a close relationship between two or more species where at least one benefits

    false
    true
    True or False
    60s
  • Q6

    In the following food chain, which organism is the secondary consumer?

    Question Image

    minnow

    algae

    raccoon

    bass

    45s
  • Q7

    What can natural disturbances, such as fires or volcanic eruptions, result in?

    competition

    succession

    parasitism

    symbiosis

    45s
  • Q8

    Burning fossil fuels worries those who think that global warming is a problem because it is a human-made way of adding more carbon dioxide to the air.

    true
    false
    True or False
    45s
  • Q9

    The maximum number of organisms of a particular species that can be supported by an environment is called population density

    false
    true
    True or False
    45s
  • Q10

    Competitive exclusion is the term used to describe what happens when two populations of different species compete for the same food source or their niches overlap.

    true
    false
    True or False
    45s

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