Little Ocean Mysteries
Dive in and spot sea creatures, currents, and ocean oddities in 2 minutes, no jargon required
What this quiz asks
- 1What's the largest animal in the ocean?
- 2Where does seawater's salinity mainly come from?
- 3What's the largest coral reef in the world?
- 4What mainly causes the tides?
- 5Which ocean current warms Western Europe?
- 6What exactly is plankton?
- 7Why does the ocean look blue?
- 8What's the name of the 'twilight zone' (200-1000 m)?
- 9What's the name of the natural sonar dolphins use?
- 10What organism builds an atoll's structure over time?
