Phytoplankton are tiny microscopic plants algae<span> that form the base of the marine food chain. The most </span>important<span> living things on our green planet are single cell</span>algae<span>. And they are the most </span>important<span> because they produce oxygen, more oxygen than anything else does</span>
i say ho8 or something like that
Chlorophylls
hope this helps!!
