i believe phytoplankton are a subset of plankton which are themselves a subset of algae. so technically, you're both right. one was just more right than the other.

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It's actually the other way around

Submitted by sharonopolis on Fri, 2008-06-27 12:26.

"Phytoplankton" is a big grouping that includes green algae, cyanobacteria (blue-green algae), golden-brown algae, diatoms, and dinoflagellates (sometimes responsible for Red Tides). It's not a taxonomic grouping as it encompasses both prokaryotes (no nucleus) and eukaryotes (separate nucleus). They all have photosynthesis in common, but some have more bacterial characteristics while others have more plant-like characteristics.

/random biology factoid.

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Yeah, but growing some more in a bucket isn't going to stop O2

Submitted by sharonopolis on Fri, 2008-06-27 12:19.

production. That would be like saying that the fact we have worms in a bin in the house composting stuff is DEPLETING THE WORLD'S WORM POPULATION!!!111!!eleven!

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I wasn't clear on that point

Submitted by Dfunk on Fri, 2008-06-27 13:13.

I was unclear as to whether they were growing their own or harvesting from the wild, which is why I asked.

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i believe phytoplankton are