What type of colonial animal is a Portuguese man o' war?
Answer
Siphonophore
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Which shark is recognized as the longest-lived vertebrate known to science?
Answer
Greenland shark
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Latest trivia questions
What is the largest living species of sea star?
Answer
Sunflower sea star
Which shark is recognized as the longest-lived vertebrate known to science?
Answer
Greenland shark
A narwhal's tusk is what anatomical structure?
Answer
An elongated tooth
Which reptile is found naturally only in the Galápagos Islands and feeds in the sea?
Answer
Marine iguana
What toxin gives the blue-ringed octopus its dangerous bite?
Answer
Tetrodotoxin
Which deep-sea fish has a transparent head and tubular eyes that point upward?
Answer
Barreleye fish
What natural material forms the hard shells of most mollusks such as clams and oysters?
Answer
Calcium carbonate
What process allows corals with algae to produce much of their food using sunlight?
Answer
Photosynthesis