Test your knowledge of all things nautical by taking a swing at the monthly Blockheads trivia question. If your answer is correct, you could be randomly drawn to win a Blockheads Dry Bag and Brandana! Join Harken Blockheads to start receiving the monthly Blockheads Bulletin newsletter for next month’s trivia question.

Check out last month’s answer and winner below.

👉 April Question:

What marine organism is responsible for producing nine times more oxygen than all the trees, shrubs, and grasses on the planet combined?

👉 April Answer: 

Phytoplankton (Plankton was also acceptable).

👉 April Winner:

🏆 Congratulations to April’s winner – Aled Llewellyn-Jones! 🏆