What is the name of the tiny ocean organism responsible for producing much of the Earth’s oxygen through photosynthesis?

Wow, good job, you got them all correct! And… you helped remove 10 more pieces of plastic from the ocean – thank you! Stay tuned for next month’s FTO crossword.

For those of you tracking your pieces of plastic removed: The 10 pieces from playing the crossword will not show up in your stats, but will be added to the total # of pieces of plastic removed by the Free the Ocean community.

Thanks for playing! We see you’ve already played the crossword this month. Please come back for FTO’s new crossword next month.