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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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Tags:
biology
zoology
grade_09
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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Tags:
biology
zoology
grade_09
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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Tags:
biology
zoology
grade_09
created by
State of Ohio
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