MarineBio Ocean Quizzes

Test your knowledge about our ocean and its fascinating inhabitants.

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

Answer: click here

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

Answer: click here

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

Answer: click here

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

Answer: click here

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

Answer: click here

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

Answer: click here

Castro/Huber: Marine Biology, 5th Edition :: Practice Quizzes

Quiz for Chapter 1: The Science of Marine Biology

Quiz for Chapter 2: The Sea Floor

Quiz for Chapter 3: Chemical and Physical Features of Seawater and the World Ocean

Quiz for Chapter 4: Some Basics of Biology

Quiz for Chapter 5: The Microbial World

Quiz for Chapter 6: Multicellular Primary Producers: Seaweeds and Plants

Quiz for Chapter 7: Marine Animals Without a Backbone

Quiz for Chapter 8: Marine Fishes

Quiz for Chapter 9: Marine Reptiles, Birds, and Mammals

Quiz for Chapter 10: An Introduction to Marine Ecology

Quiz for Chapter 11: Between the Tides

Quiz for Chapter 12: Estuaries: Where Rivers Meet the Sea

Quiz for Chapter 13: Life on the Continental Shelf

Quiz for Chapter 14: Coral Reefs

Quiz for Chapter 15: Life Near the Surface

Quiz for Chapter 16: The Ocean Depths

Quiz for Chapter 17: Resources from the Sea

Quiz for Chapter 18: The Impact of Humans on the Marine Environment

Quiz for Chapter 19: The Oceans and Human Affairs

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