Birds QuizThe study of birds is called:ichthyologyherpetologyornithologyaviologyBirds have a ____ heart with _____ circulation.3 chambered, double loop4 chambered, double loop3 chambered, single loop4 chambered, single loop
Birds belong to the phylum ___ and the class ___
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Which of the following is NOT a key characteristic of birds?
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Which of the following organs is NOT present in birds?
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