Think you’re ocean savvy? Time to test your knowledge

Test your knowledge of the oceans with our quiz and celebrate the launch of Esther Gonstalla’s The Ocean Book

1. Which of theses marine creatures doesn’t need to go to the surface in order to breathe?
Whale shark
Sea turtle
Sea turtles are air breathing reptiles that have lungs, so they regularly surface to breathe – this is why they can drown in fishing nets
Bottlenose dolphin
Dolphins are mammals so they need to breathe just like humans do, which is why they can drown in fishing nets


2. Someone carelessly threw out a plastic bottle into the sea. How long does it take for the bottle to disintegrate into the ocean?
250 years
That’s not long enough…
350 years
Still a bit longer than that
450 years


3. Which of the problems afflicting the seas is not directly connected to global warming?
Rising acidity
Increasing acidity is caused by rising carbon dioxide levels in the water, which is an effect of global warming
Rising sea level
Rising sea levels are caused by the melting ice caps, which are a direct consequence of global warming


4. What’s a simple way to reduce sea-turtle deaths?
Using special fishing nets when fishing for shrimp that include exits for turtles
Digging up turtle eggs out of the sand
Turtles hide their eggs in the sand to protect them from potential predators
Staying quiet by the seaside in any area where turtles are to be found
Although it’s always a good idea not to be too noisy!


5. Plastic pollution is one of the main problems facing the seas. What percentage of globally collected plastic is recycled?
You’re an optimist, aren’t you?
Sadly, it’s less then that…

Keen to learn more about the ocean?

Check out Esther Gonstalla’s The Ocean Book 


The ocean sustains all life. Understanding how it works and how we are affecting it is vital for securing our future. The Ocean Book provides the full briefing.

Tony Juniper, CBE, environmentalist

With cleverly designed infographics and well-researched succinctly summarised data, this book does a superb job pulling together climate change, overfishing, acidification & plastic pollution, offering a comprehensive if disturbingoverview of the state of our oceans. A must for anyone who cares about what’s happening, and wants to do something about it

Craig Bennett, CEO, Friends of the Earth UK

With informative diagrams and goodreference to facts, this book explores the impacts of human activities on both marine and atmospheric systems providing an introduction to sustainability and marine science.

Emma Lamb, international marine environmental consultant


Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s