Oceans & Marine Biology
Test your knowledge of oceans and marine biology — the currents, creatures, and ecosystems that make up most of the planet's living space.
Fourteen questions cover ocean zones, coral reefs, deep-sea adaptations, ocean currents, and the threats facing marine ecosystems today.
A solid way to check what you actually remember about the part of Earth most of us never see.
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Sample questions3 of 14 shown
Q1
What percentage of Earth's oxygen is produced by ocean phytoplankton?
Q2
Which ocean is the largest by area?
Q3
Which of the following are characteristics of coral reefs? (Select all that apply)
What This Quiz Covers
- Ocean zones and depth
- Coral reef ecosystems
- Deep-sea adaptations
- Major ocean currents
- Threats to ocean ecosystems
- Marine mammal and fish biology
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