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  • Which of the following generalizations is true of all vertebrate animals?

    They have lungs and breathe air.
    They have gills and breathe air.
    They use oxygen in energy production and give off carbon dioxide.
    They use carbon dioxide in energy production and give off oxygen.


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    created by State of Ohio


  • Dolphins and whales are mammals that live in the oceans. Dolphins and whales differ from fish in which of the following ways?

    Dolphins and whales extract oxygen from the water with their gills.
    Dolphins and whales must surface to use their lungs.
    Fish must surface to use their gills.
    Fish extract oxygen from the water with their lungs.


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    created by State of Ohio


  • In a food web, some animals can be classified as omnivores; that is, they eat both plants and animals. Which of the following animals in the figure below is an omnivore?

    rabbit
    partridge
    fox
    caterpillar


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    created by State of Ohio


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