PROLOGUE

1 The deep ocean floor consists of vast, flat expanses ... FALSE!

2 We know everything about the ocean and the ocean floor ... FALSE!

3 The deep ocean is completely silent ... FALSE!

4 In the deep ocean, it's total black... FALSE!

5 The blue color of the ocean is caused by the sky reflecting off its surface ... FALSE!

6 Tides are caused solely by the Moon’s gravitational pull ... TO QUALIFY

7 Sea levels are rising due to melting sea ice ... FALSE!

8 Melting ice cools the ocean... FALSE!

9 Tsunamis only affect countries located on the Pacific Ocean... FALSE!

10 The ocean can absorb CO2 indefinitely... FALSE!

11 Seawater disinfects wounds ... FALSE!

12 There is more biodiversity in the ocean than on land ... TO QUALIFY

13 The deep sea is uninhabited ... FALSE!

14 Marine vertebrates are divided into mammals, birds, reptiles, and fish.... TO QUALIFY

15 Fish are the most abundant organisms in the ocean... FALSE!

16 We know all marine mammals... NOT SO SURE!

17 Some marine species are immortal... FALSE!

18 Nothing can live under the ice... FALSE!

19 We know everything about the migration routes of marine wildlife... FALSE!

20 The ocean has no borders... FALSE!

21 Sharks are the most dangerous marine animals to humans ... FALSE!

22 Corals are plants that live only in warm seas ... FALSE!

23 Marine species adapt quickly to climate change ... TO QUALIFY

24 Mobile marine species can avoid the effects of climate change ... NOT SO SURE!

25 Jellyfish proliferate as water temperatures rise ... TO QUALIFY

26 The presence of tropical and subtropical species is increasing along the coasts of France... TO QUALIFY

27 The flora and fauna of polar regions are spared by climate change ... FALSE!

28 The polar bear is the species most threatened by melting ice ... TO QUALIFY

29 Ocean acidification only affects calcareous organisms ... FALSE!

30 Corals could disappear entirely due to acidification ... NOT SO SURE!

31 Marine species are disappearing faster than terrestrial species ... FALSE!

32 Shellfish diseases always pose a risk to humans ... FALSE!

33 Aquaculture can replace fishing to meet market demand ... FALSE!

34 Intensive aquaculture is a major environmental problem ... TO QUALIFY

35 Discharges from aquaculture farms have no impact on marine biodiversity ... FALSE!

36 The effects of overfishing of marine species are irreversible ... TO QUALIFY

37 The ocean is undergoing massive desertification ... TO QUALIFY

38 Invasive marine species are introduced accidentally ... TO QUALIFY

39 A marine biological invasion can be addressed ... TO QUALIFY

40 Collecting marine debris can solve the problem of “plastic continents” ... FALSE!

41 Offshore activities are responsible for plastic pollution ... FALSE!

42 Protected marine species aren’t really protected ... TO QUALIFY

43 The high seas are a lawless zone ... FALSE!

44 Desalination is the sustainable solution for obtaining fresh water ... TO QUALIFY

45 Offshore wind turbines have a limited environmental impact ... FALSE!

46 Climate geoengineering is the solution to reducing CO2 emissions ... FALSE!

47 Shellfish are excellent carbon sinks ... NOT SO SURE!

48 Deep-sea mining has no real impact on the environment ... FALSE!

49 Marine biofuels will replace land-based biofuels ... NOT SO SURE!

50 The medicines of the future will be made from marine molecules ... TO QUALIFY

EPILOGUE

FURTHER READING

IMAGE CREDITS

ACKNOWLEDGMENTS