MarineBio.org Creature Quiz Archive

Who has the longest gestation period of all cetaceans?
Blue whales
Fin whales
Pilot whales
Orcas
Pacific white-sided dolphins

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Known predators of the Harp seal are:
Polar bears
Orca
sharks
Walruses
Humans

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Which is a tool-using marine mammal?
Hydrurga leptonyx
Enhydra lutris
Zalophus californianus
None of the above

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The above is...
a Dinoflagellate
M. pyrifera
Asterionella sp.
green algae

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The above is...
not an animal
a deepsea squid
a siphonophore
Aurelia aurita

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The above is...
A deepsea fish!
A rare snail
A sting ray
An octopi

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What is a Vaquita?
A species of Dolphin
A species of Porpoise
A seabird like a comorant
A deep sea Anglerfish

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Which of the following do Seahorses not have?
Gills
Stomachs
Teeth

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Osmoregulation is...?
The technique by which fish regulate and maintain their blood minerals and salt concentrations in a freshwater environment.
The technique by which fish regulate and maintain their internal water and salt concentrations against those in the surrounding environment.
The technique by which fish regulate and maintain dissolved oxygen in their tissues in anaerobic conditions.

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The most plentiful organisms on Earth are...?
Phytoplankton
Viruses
Bacteria

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Which of the Cephalopods below have both arms AND tentacles?
Octopi
Cuttlefish
Squid

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