Oceans

How many chambers does a fish heart have?

More Questions from Oceans
What crustacean is the main prey of baleen whales, including the blue whale?
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Which of the following whales is nicknamed the 'Squid Hound' because of its diet and how it hunts its prey?
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The OSPAR Convention is short for what?
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What is the term for the Earth's crust where it underlies oceans?
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Where does the female marine catfish lay her eggs?
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Brine pools in the ocean have an unusually high level of what?
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Which of these creatures would inhabit the bathyal zone?
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What kind of tail does a shark have?
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