Marine Biology Quiz

Try out this Marine Biology quiz to test your knowledge. Marine Biology trivia explores the science of ocean life, from microscopic plankton to giant whales and the ecosystems that connect them.

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15 questions

~3 min to finish

Easy to hard difficulty

400 pts max score

Question 1 · Medium · 20 pts
Which Australian fish skips the whole 'just keep swimming' speech and uses limb-like fins to walk along the seafloor?
Question 2 · Hard · 40 pts
Which 19th-century voyage, launched in 1872, is widely treated as a founding expedition of modern oceanography?
Question 3 · Hard · 40 pts
What was the name of the bathyscaphe that carried Jacques Piccard and Don Walsh to Challenger Deep in 1960?
Question 4 · Hard · 40 pts
Which explorer is specifically linked to the 1977 discovery of hydrothermal vent communities during deep-sea work?
Question 5 · Hard · 40 pts
Before publishing "On the Origin of Species," which scientist spent years in close study of barnacles?
Question 6 · Hard · 40 pts
Who was John Steinbeck's co-author on the 1941 book "Sea of Cortez"?
Question 7 · Hard · 40 pts
Which researcher used experiments on Pisaster sea stars to help establish the idea of a keystone species?
Question 8 · Hard · 40 pts
What is the term for the process that lifts cold, nutrient-rich deep water toward the ocean surface?
Question 9 · Hard · 40 pts
Marine biologists use what term for a layer of ocean water marked by especially low dissolved oxygen?
Question 10 · Easy · 10 pts
In which ocean is the Mariana Trench found?
Question 11 · Easy · 10 pts
What is the name of the deepest known part of the ocean?
Question 12 · Easy · 10 pts
The Gulf of California is also known by what other name?
Question 13 · Easy · 10 pts
Jellyfish Lake is located in which island nation?
Question 14 · Easy · 10 pts
Which sea is famous for its vast intertidal mudflats?
Question 15 · Easy · 10 pts
What process allows some organisms to make organic matter using chemical energy instead of sunlight?

Which Australian fish skips the whole 'just keep swimming' speech and uses limb-like fins to walk along the seafloor?

Which 19th-century voyage, launched in 1872, is widely treated as a founding expedition of modern oceanography?

What was the name of the bathyscaphe that carried Jacques Piccard and Don Walsh to Challenger Deep in 1960?

Which explorer is specifically linked to the 1977 discovery of hydrothermal vent communities during deep-sea work?

Before publishing "On the Origin of Species," which scientist spent years in close study of barnacles?

Who was John Steinbeck's co-author on the 1941 book "Sea of Cortez"?

Which researcher used experiments on Pisaster sea stars to help establish the idea of a keystone species?

What is the term for the process that lifts cold, nutrient-rich deep water toward the ocean surface?

Marine biologists use what term for a layer of ocean water marked by especially low dissolved oxygen?

In which ocean is the Mariana Trench found?

What is the name of the deepest known part of the ocean?

The Gulf of California is also known by what other name?

Jellyfish Lake is located in which island nation?

Which sea is famous for its vast intertidal mudflats?

What process allows some organisms to make organic matter using chemical energy instead of sunlight?