What organ helps many bony fish control buoyancy?
Answer
Swim bladder
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Which critically endangered porpoise is the smallest living cetacean?
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Vaquita
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Latest trivia questions
What organ do fish use to extract oxygen from water?
Answer
Gills
Which mammalian order consists of treeshrews?
Answer
Scandentia
What extinct mammal genus is often cited as the largest known land mammal?
Answer
Paraceratherium
Which rhinoceros species has two horns and a square lip?
Answer
White rhinoceros
What is Iceland's only native land mammal?
Answer
Arctic fox
Which mammalian order contains armadillos?
Answer
Cingulata