Which animal is the largest known animal in Earth’s history?
Answer
Blue whale
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Which marine reptile is the only sea turtle that regularly eats seagrass and algae as an adult?
Answer
Green sea turtle
Which sea animal has respiratory trees that extract oxygen from water through its anus?
Answer
Sea cucumber
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Latest trivia questions
Which bird is the deepest-diving bird species?
Answer
Emperor penguin
Which toothed whale is the largest member of its group?
Answer
Sperm whale
Which marine reptile is the only sea turtle that regularly eats seagrass and algae as an adult?
Answer
Green sea turtle
Which ocean current is the largest warm-water current in the Atlantic Ocean?
Answer
Gulf Stream
Which sea turtle species has the largest body and lacks a hard bony shell?
Answer
Leatherback sea turtle
Which ocean process creates new seafloor at mid-ocean ridges?
Answer
Seafloor spreading
What is the main structural mineral in the shells of most mollusks?
Answer
Calcium carbonate